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.

A047939 Number of 4-colorings of an n X n grid, up to rotational symmetry.

Table of values

n a(n)
0 1
1 4
2 70
3 65824
4 1073758336
5 281474993496064
6 1180591620734591303680
7 79228162514264619068554215424
8 85070591730234615870455337878516924416
9 1461501637330902918203686041642102636484130504704
10 401734511064747568885490523085607563280607806359022338048000

List of values

[1, 4, 70, 65824, 1073758336, 281474993496064, 1180591620734591303680, 79228162514264619068554215424, 85070591730234615870455337878516924416, 1461501637330902918203686041642102636484130504704, 401734511064747568885490523085607563280607806359022338048000]

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

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