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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.

A319612 Number of regular simple graphs spanning n vertices.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 7
5 13
6 171
7 931
8 45935
9 1084413
10 155862511
11 10382960971
12 6939278572095
13 2203360500122299
14 4186526756621772343
15 3747344008241368443819
16 35041787059691023579970847
17 156277111373303386104606663421
18 4142122641757598618318165240180095

List of values

[1, 0, 1, 1, 7, 13, 171, 931, 45935, 1084413, 155862511, 10382960971, 6939278572095, 2203360500122299, 4186526756621772343, 3747344008241368443819, 35041787059691023579970847, 156277111373303386104606663421, 4142122641757598618318165240180095]

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

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