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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.

A372198 The number of ways of 2-coloring the diagram for the n-th centered square number up to rotation and reflection of the square.

Table of values

n a(n)
0 2
1 12
2 1236
3 4215840
4 274888655360
5 288230395747516416
6 4835703278617945885900800
7 1298074214633711825063417305104384
8 5575186299632655786027352001453113896599552
9 383123885216472214589587083913232677066440014825521152

List of values

[2, 12, 1236, 4215840, 274888655360, 288230395747516416, 4835703278617945885900800, 1298074214633711825063417305104384, 5575186299632655786027352001453113896599552, 383123885216472214589587083913232677066440014825521152]

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

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