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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.

A324218 Number of connected n-regular loopless multigraphs on six unlabeled nodes.

Table of values

n a(n)
0 0
1 0
2 1
3 6
4 19
5 49
6 120
7 263
8 571
9 1149
10 2259
11 4218
12 7679
13 13437
14 22952
15 38013
16 61580
17 97309
18 150838
19 229045
20 342048
21 502066
22 726318
23 1035482
24 1457677
25 2026369
26 2785873
27 3788494
28 5101847
29 6805192
30 8998964
31 11799997
32 15353938
33 19829063
34 25431994
35 32400113
36 41021075
37 51623423

List of values

[0, 0, 1, 6, 19, 49, 120, 263, 571, 1149, 2259, 4218, 7679, 13437, 22952, 38013, 61580, 97309, 150838, 229045, 342048, 502066, 726318, 1035482, 1457677, 2026369, 2785873, 3788494, 5101847, 6805192, 8998964, 11799997, 15353938, 19829063, 25431994, 32400113, 41021075, 51623423]

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

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