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Full list of Palindromic Triangulars
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Introduction


My search program reached the  basenumber 1,414,213,562,373,095,048,802 [ May 31, 2004 ]
From length 43 Feng Yuan took over.
PT[149] > 447.213.595.499.957.939.281.835.


 PLAIN TEXT POLYGONS 


The Table


Index Nr Info BasenumberLength
Palindromic Triangular NumberLength
   
Formula = n(n+1)/2
148 Info 128.184.152.897.963.669.861.55224
8.215.588.527.084.263.951.180.440.811.593.624.807.258.855.12846
147 Info 115.945.380.367.510.626.966.64824
6.721.665.614.283.359.365.218.338.125.639.533.824.165.661.27646
146 Info 114.860.741.505.066.911.342.29624
6.596.494.969.546.900.318.903.773.098.130.096.459.694.946.95646
145
H62
Info 26.539.182.748.774.333.465.49723
352.164.110.486.420.593.101.030.101.395.024.684.011.461.25345
144
H61
Info 5.805.651.147.054.009.150.04122
16.852.792.620.644.766.088.388.388.066.744.602.629.725.86144
143 Info 3.630.238.456.595.636.157.72822
6.589.315.625.872.933.253.747.473.523.392.785.265.139.85643
142 Info 3.261.059.106.801.402.665.75422
5.317.253.249.026.181.079.052.509.701.816.209.423.527.13543
141 Info 775.781.766.082.836.455.60221
300.918.674.293.302.389.819.918.983.203.392.476.819.00342
140 Info 585.863.634.063.453.017.10621
171.618.098.859.017.793.192.291.397.710.958.890.816.17142
139 Info 333.741.662.509.416.495.21021
55.691.748.647.274.629.891.519.892.647.274.684.719.65541
138
H60
Info 333.470.345.690.102.634.08521
55.601.235.727.338.276.212.021.267.283.372.753.210.65541
137
H59
Info 191.600.462.227.318.472.12121
18.355.368.562.861.046.305.450.364.016.826.586.355.38141
136
H58
Info 35.369.824.079.822.102.85120
625.512.227.718.781.732.353.237.187.817.722.215.52639
135 Info 32.637.734.114.649.927.57020
532.610.844.069.291.845.737.548.192.960.448.016.23539
134
H57
Info 19.123.354.745.855.372.72120
182.851.348.367.914.603.505.306.419.763.843.158.28139
133 Info 16.175.904.024.612.952.34620
130.829.935.506.744.754.616.457.447.605.539.928.03139
132 Info 11.665.833.272.979.576.31620
68.045.832.976.478.686.977.968.687.467.923.854.08638
131
H56
Info 3.654.345.456.545.434.56319
6.677.120.357.887.130.286.820.317.887.530.217.76637
130 Info 3.652.242.206.567.626.03619
6.669.436.567.716.980.985.890.896.177.656.349.66637
129 Info 3.637.582.781.740.258.58819
6.616.004.247.006.598.875.788.956.007.424.006.16637
128 Info 3.405.603.489.389.985.67419
5.799.067.563.472.623.134.313.262.743.657.609.97537
127
H55
Info 3.333.229.904.907.177.88519
5.555.210.799.483.757.064.607.573.849.970.125.55537
126 Info 3.271.889.143.987.456.17019
5.352.629.285.271.484.348.434.841.725.829.262.53537
125 Info 3.237.532.871.306.389.77419
5.240.809.546.394.698.286.828.964.936.459.080.42537
124 Info 2.672.899.778.869.085.02219
3.572.196.613.939.201.806.081.029.393.166.912.75337
123 Info 2.470.152.923.949.718.92219
3.050.827.733.848.672.937.392.768.483.377.280.50337
122
H54
Info 1.935.755.375.665.009.72119
1.873.574.437.207.991.455.541.997.027.344.753.78137
121 Info 775.527.779.120.670.32218
300.721.668.093.919.607.706.919.390.866.127.00336
120 Info 352.465.914.177.746.74818
62.116.110.328.577.368.186.377.582.301.161.12635
119 Info 352.449.681.516.778.87618
62.110.389.000.639.430.803.493.600.098.301.12635
118
H53
Info 247.184.344.095.525.79718
30.550.049.982.967.649.594.676.928.994.005.50335
117
H52
Info 112.540.786.741.633.18318
6.332.714.340.212.879.669.782.120.434.172.33634
116
H51
Info 109.113.947.229.482.90918
5.952.926.739.999.190.550.919.999.376.292.59534
115
H50
Info 108.100.203.429.839.92918
5.842.826.990.786.388.228.836.870.996.282.48534
114
H49
Info 78.358.935.395.500.83717
3.070.061.378.158.136.996.318.518.731.600.70334
113
H48
Info 26.555.908.318.527.49717
352.608.133.311.018.969.810.113.331.806.25333
112 Info 10.686.132.500.837.47417
57.096.713.912.727.488.472.721.931.769.07532
111
H47
Info 4.500.990.532.341.40116
10.129.457.886.113.466.431.168.875.492.10132
110 Info 4.062.262.265.478.59216
8.250.987.356.765.633.365.676.537.890.52831
109
H46
Info 3.729.035.890.325.94316
6.952.854.335.669.501.059.665.334.582.59631
108
H45
Info 3.249.909.720.631.02516
5.280.956.596.126.015.106.216.956.590.82531
107 Info 362.785.412.063.72815
65.806.627.603.124.642.130.672.660.85629
106
H44
Info 353.520.620.692.92315
62.488.414.627.554.945.572.641.488.42629
105
H43
Info 326.825.312.860.02915
53.407.392.563.028.082.036.529.370.43529
104 Info 173.008.538.941.23815
14.965.977.273.291.019.237.277.956.94129
103
H42
Info 164.402.190.438.22115
13.514.040.110.442.624.401.104.041.53129
102 Info 109.237.730.189.29015
5.966.440.848.454.114.548.480.446.69528
101
H41
Info 50.364.608.806.28114
1.268.296.910.104.884.010.196.928.62128
100 Info 41.801.907.377.57214
873.699.730.201.575.102.037.996.37827
99 Info 36.543.454.565.43614
667.712.035.788.060.887.530.217.76627
98 Info 26.515.516.477.98214
351.536.307.047.080.740.703.635.15327
97
H40
Info 11.423.905.837.87114
65.252.812.296.277.269.221.825.25626
96 Info 10.865.723.925.03414
59.031.978.207.533.570.287.913.09526
95 Info 7.747.137.817.12213
30.009.072.178.744.787.127.090.00326
94 Info 5.052.120.436.31813
12.761.960.451.533.515.406.916.72126
93
H39
Info 4.063.286.017.96713
8.255.146.631.905.091.366.415.52825
92 Info 2.466.444.446.64213
3.041.674.104.186.814.014.761.40325
91 Info 1.325.269.593.37213
878.169.747.558.855.747.961.87824
90 Info 529.670.494.28612
140.275.416.258.852.614.572.04124
89
H38
Info 417.898.160.42712
87.319.436.244.344.263.491.37823
88
H37
Info 405.270.333.72712
82.122.021.699.799.612.022.12823
87 Info 353.922.263.87612
62.630.484.433.733.448.403.62623
86
H36
Info 352.469.793.25112
62.117.477.577.377.577.471.12623
85 Info 266.444.444.66212
35.496.321.045.754.012.369.45323
84 Info 246.644.446.64212
30.416.741.529.792.514.761.40323
83 Info 104.561.417.19012
5.466.544.982.442.894.456.64522
82 Info 62.747.896.73811
1.968.649.272.552.729.468.69122
81 Info 49.786.655.91811
1.239.355.553.773.555.539.32122
80 Info 36.657.342.04811
671.880.363.030.363.088.17621
79
H35
Info 26.694.925.65711
356.309.527.929.725.903.65321
78 Info 26.644.444.66211
354.963.215.686.512.369.45321
77 Info 24.888.030.68211
309.707.035.626.530.707.90321
76
H34
Info 17.527.740.90111
153.610.850.555.058.016.35121
75 Info 14.667.896.19811
107.573.589.444.985.375.70121
74 Info 11.151.642.87611
62.179.569.422.496.597.12620
73
H33
Info Prime Curios!    5.513.600.77310
15.199.896.744.769.899.15120
72
H32
Info 3.567.632.39110
6.364.000.440.440.004.63619
71 Info 2.664.444.66210
3.549.632.679.762.369.45319
70
H31
Info 2.480.116.43710
3.075.488.771.778.845.70319
69
H30
Info 1.014.708.80510
514.816.979.979.618.41518
68 Info 846.122.2229
357.961.407.704.169.75318
67
H29
Info 368.505.7519
67.898.244.444.289.87617
66
H28
Info 363.474.3639
66.056.806.460.865.06617
65
H27
Info 341.127.3459
58.183.932.923.938.18517
64
H26
Info 182.143.8419
16.588.189.498.188.56117
63 Info 149.721.0589
11.208.197.679.180.21117
62 Info 149.142.4589
11.121.736.463.712.11117
61 Info 128.127.0329
8.208.268.228.628.02816
60 Info 109.656.2289
6.012.244.224.422.10616
59 Info 59.009.8188
1.741.079.339.701.47116
58 Info 56.524.6988
1.597.520.770.257.95116
57
H25
Info 50.008.8818
1.250.444.114.440.52116
56 Info 37.009.9168
684.866.959.668.48615
55 Info 36.979.1088
683.727.232.727.38615
54 Info 36.929.9088
681.909.070.909.18615
53 Info 36.545.4368
667.784.464.487.76615
52
H24
Info 35.670.3918
636.188.414.881.63615
51
H23
Info 34.705.1718
602.224.464.422.20615
50 Info 34.456.4348
593.622.939.226.39515
49 Info 33.062.9348
546.578.818.875.64515
48 Info 32.850.9708
539.593.131.395.93515
47 Info 31.643.9108
500.668.535.866.00515
46 Info 26.743.4228
357.605.323.506.75315
45 Info 15.126.2588
114.401.848.104.41115
44 Info 12.812.3928
82.078.700.787.02814
43 Info 11.631.0488
67.640.644.604.67614
42
H22
Info 11.111.1118
61.728.399.382.71614
41 Info 6.307.9387
19.895.044.059.89114
40
H21
Info 3.707.8837
6.874.200.024.78613
39 Info 3.457.6347
5.977.618.167.79513
38
H20
Info 3.240.4257
5.250.178.710.52513
37
H19
Info 1.620.6217
1.313.207.023.13113
36 Info 417.9726
87.350.505.37811
35 Info 365.4366
66.771.917.76611
34 Info 342.2706
58.574.547.58511
33 Info 337.6506
57.003.930.07511
32 Info 246.6426
30.416.261.40311
31 Info 179.1586
16.048.884.06111
30
H18
Info 167.0536
13.953.435.93111
29
H17
Info 111.1116
6.172.882.71610
28
H16
Info 102.8496
5.289.009.82510
27 Info 57.1665
1.634.004.36110
26
H15
Info 50.2815
1.264.114.62110
25 Info 18.9065
178.727.8719
24 Info 11.0885
61.477.4168
23 Info 8.3824
35.133.1538
22 Info 3.5484
6.295.9267
21
H14
Info 3.3694
5.676.7657
20
H13
Info 3.1854
5.073.7057
19 Info 2.6624
3.544.4537
18
H12
Info 1.8334
1.680.8617
17
H11
Info 1.5934
1.269.6217
16
H10
Info 1.2874
828.8286
15
H9
Info 1.1114
617.7166
14
H8
Info 3633
66.0665
13
H7
Info Prime!    1733
15.0515
12 Info 1323
8.7784
11
H6
Info Prime!    1093
5.9954
10
H5
Info 772
3.0034
9 Info 362
6663
8 Info 342
5953
7 Info 182
1713
6
H4
Info Prime!    112
662
5 Info 102
552
4
H3
Info Prime!    31
61
3 Info Prime!    21
Prime!    31
2
H2
Info 11
11
1
H1
Info 01
01






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