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.

A185131 Irregular triangle C(n,g) counting connected trivalent simple graphs on 2n vertices with girth at least g.

Table of values

n a(n)
2 1
3 2
4 1
5 5
6 2
7 19
8 6
9 1
10 85
11 22
12 2
13 509
14 110
15 9
16 1
17 4060
18 792
19 49
20 1
21 41301
22 7805
23 455
24 5
25 510489
26 97546
27 5783
28 32
29 7319447
30 1435720
31 90938
32 385
33 117940535
34 23780814
35 1620479
36 7574
37 1
38 2094480864
39 432757568
40 31478584
41 181227
42 3
43 40497138011
44 8542471494

List of values

[1, 2, 1, 5, 2, 19, 6, 1, 85, 22, 2, 509, 110, 9, 1, 4060, 792, 49, 1, 41301, 7805, 455, 5, 510489, 97546, 5783, 32, 7319447, 1435720, 90938, 385, 117940535, 23780814, 1620479, 7574, 1, 2094480864, 432757568, 31478584, 181227, 3, 40497138011, 8542471494]

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

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