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Subsets of Palindromic Triangulars
Full Listing Factorization Most Beautiful

PT's with Palindromic Basenumbers

Score 'subset A' = 19

PT's with Prime Basenumbers

Score 'subset B' = 8

PLAIN TEXT POLYGONS

PT's with Prime Basenumbers

Score 'subset B' = 8

Serial Number	Index	“Palindromic” Basenumber	Length
	Palindromic Triangular Number		Length
	Formula = n(n+1)/2    [ See also A008510 ]
19	131	3.654.345.456.545.434.563	19
	6.677.120.357.887.130.286.820.317.887.530.217.766		37
18	92	2.466.444.446.642	13
	3.041.674.104.186.814.014.761.403		25
17	85	266.444.444.662	12
	35.496.321.045.754.012.369.453		23
16	84	246.644.446.642	12
	30.416.741.529.792.514.761.403		23
15	78	26.644.444.662	11
	354.963.215.686.512.369.453		21
14	71	2.664.444.662	10
	3.549.632.679.762.369.453		19
13	66	363.474.363	9
	66.056.806.460.865.066		17
12	42	11.111.111	8
	61.728.399.382.716		14
11	32	246.642	6
	30.416.261.403		11
10	29	111.111	6
	6.172.882.716		10
9	19	2.662	4
	3.544.453		7
8	15	1.111	4
	617.716		6
7	14	363	3
	66.066		5
6	10	77	2
	3.003		4
5	6	11	2
	66		2
4	4	3	1
	6		1
3	3	2	1
	3		1
2	2	1	1
	1		1
1	1	0	1
	0		1

PT's with Palindromic Basenumbers

Score 'subset A' = 19

Serial Number	Index	“Prime” Basenumber	Length
	Palindromic Triangular Number		Length
	Formula = n(n+1)/2    [ See also A050721 and A050722 ]
8	189	5.510.313.150.359.237.826.498.809.954.773	31
	15.181.775.507.510.974.169.398.336.861.133.116.863.389.396.147.901.570.557.718.151		62
7	169	464.762.829.353.941.815.880.187.201	27
	108.002.243.774.540.620.212.510.333.333.015.212.026.045.477.342.200.801		54
6	73	5.513.600.773	10
	15.199.896.744.769.899.151		20
5	13	173	3
	15.051		5
4	11	109	3
	5.995		4
3	6	11	2
	66		2
2	4	3	1
	6		1
1	3	2	1
	3		1

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( © All rights reserved ) - Last modified : September 22, 2023.

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Patrick De Geest - Belgium - Short Bio - Some Pictures
E-mail address : pdg@worldofnumbers.com

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