cp's OEIS Frontend

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.

A055788 Number of symmetric types of (5,2n)-hypergraphs under action of complementing group C(5,2).

Table of values

n a(n)
0 1
1 31
2 186
3 1581
4 7316
5 30039
6 103974
7 330429
8 947050
9 2533289
10 6325550
11 14969435
12 33665380
13 72544185
14 150236850
15 300540195
16 582235491
17 1096087770
18 2009383420
19 3595937070
20 6292703640
21 10787811210
22 18142828740
23 29975617710

List of values

[1, 31, 186, 1581, 7316, 30039, 103974, 330429, 947050, 2533289, 6325550, 14969435, 33665380, 72544185, 150236850, 300540195, 582235491, 1096087770, 2009383420, 3595937070, 6292703640, 10787811210, 18142828740, 29975617710]

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

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