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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.

A006202 Number of colorings of labeled graphs on n nodes using exactly 4 colors, divided by 4!*2^6.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 80
6 7040
7 878080
8 169967616
9 53247344640
10 27580935700480
11 23884321532149760
12 34771166607668412416
13 85316631064301031915520
14 353171748158258855521812480
15 2467057266045387831319241687040
16 29078599995993904385498084987109376

List of values

[0, 0, 0, 1, 80, 7040, 878080, 169967616, 53247344640, 27580935700480, 23884321532149760, 34771166607668412416, 85316631064301031915520, 353171748158258855521812480, 2467057266045387831319241687040, 29078599995993904385498084987109376]

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

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