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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.

A223509 Petersen graph (3,1) coloring a rectangular array: number of 6Xn 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,3 3,5 3,4 1,2 1,4 4,5 2,0 2,5 and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an edge of this graph, with the array starting at 0.

Table of values

n a(n)
1 7776
2 31307
3 3528715
4 291545903
5 27465794119
6 2519813048575
7 234215122981463
8 21722081604000233
9 2017473470471496373
10 187345647840479535879
11 17400111813793245517801
12 1616059549379820468437485

List of values

[7776, 31307, 3528715, 291545903, 27465794119, 2519813048575, 234215122981463, 21722081604000233, 2017473470471496373, 187345647840479535879, 17400111813793245517801, 1616059549379820468437485]

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

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