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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.

A333162 Number of regular graphs on n unlabeled nodes with half-edges.

Table of values

n a(n)
0 1
1 2
2 4
3 6
4 11
5 16
6 38
7 78
8 304
9 1672
10 19630
11 450154
12 20198620
13 1673850034
14 252574719718
15 69216356716672
16 34559361669877526
17 31561018687380681802
18 52958472442027295300520
19 163901411216705405946164728
20 939523329928455089556983977702

List of values

[1, 2, 4, 6, 11, 16, 38, 78, 304, 1672, 19630, 450154, 20198620, 1673850034, 252574719718, 69216356716672, 34559361669877526, 31561018687380681802, 52958472442027295300520, 163901411216705405946164728, 939523329928455089556983977702]

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

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