cp's OEIS Frontend

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.

A000686 Number of 4-colored labeled graphs on n nodes, divided by 4.

Table of values

n a(n)
1 1
2 7
3 85
4 1777
5 63601
6 3882817
7 403308865
8 71139019777
9 21276992674561
10 10778161937857537
11 9238819435213784065
12 13390649605615389843457
13 32796747486424209782108161
14 135669064080920007649863745537
15 947468281528010179181982467702785
16 11166618111585805201637975219611631617

List of values

[1, 7, 85, 1777, 63601, 3882817, 403308865, 71139019777, 21276992674561, 10778161937857537, 9238819435213784065, 13390649605615389843457, 32796747486424209782108161, 135669064080920007649863745537, 947468281528010179181982467702785, 11166618111585805201637975219611631617]

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

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