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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.

A368951 Number of connected labeled graphs with n edges and n vertices and with loops allowed.

Table of values

n a(n)
0 1
1 1
2 2
3 10
4 79
5 847
6 11436
7 185944
8 3533720
9 76826061
10 1880107840
11 51139278646
12 1530376944768
13 49965900317755
14 1767387701671424
15 67325805434672100
16 2747849045156064256
17 119626103584870552921
18 5533218319763109888000
19 270982462739224265922466

List of values

[1, 1, 2, 10, 79, 847, 11436, 185944, 3533720, 76826061, 1880107840, 51139278646, 1530376944768, 49965900317755, 1767387701671424, 67325805434672100, 2747849045156064256, 119626103584870552921, 5533218319763109888000, 270982462739224265922466]

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

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