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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.

A054944 Number of strongly connected labeled digraphs on n nodes with an even number of edges.

Table of values

n a(n)
1 1
2 1
3 10
4 806
5 282552
6 367387448
7 1761545808144
8 31759604694834608
9 2200205489188051324800
10 595216852658907342647881088
11 635231932478914399659212340198144
12 2690533983413127566229805840755699623168
13 45382894419701545228622064475653706686181248000
14 3054532231410772852023213016232868881612380320979954688

List of values

[1, 1, 10, 806, 282552, 367387448, 1761545808144, 31759604694834608, 2200205489188051324800, 595216852658907342647881088, 635231932478914399659212340198144, 2690533983413127566229805840755699623168, 45382894419701545228622064475653706686181248000, 3054532231410772852023213016232868881612380320979954688]

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

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