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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A220513 a(n) = spt(13n+6)/13 where spt(n) = A092269(n).

Table of values

n a(n)
0 2
1 140
2 3042
3 38054
4 344212
5 2488260
6 15235620
7 81926240
8 396603536
9 1759312286
10 7246532360
11 27998586490
12 102294344881
13 355704104008
14 1183463874068
15 3784162891544
16 11672177600660
17 34840196162760
18 100912078549712
19 284295561826160

List of values

[2, 140, 3042, 38054, 344212, 2488260, 15235620, 81926240, 396603536, 1759312286, 7246532360, 27998586490, 102294344881, 355704104008, 1183463874068, 3784162891544, 11672177600660, 34840196162760, 100912078549712, 284295561826160]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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