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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.

A223503 Petersen graph (3,1) coloring a rectangular array: number of nX7 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)
1 729
2 110427
3 22598167
4 4867038759
5 1065016901935
6 234215122981463
7 51596648899152901
8 11373354088592222347
9 2507537188605388269479
10 552889843504513864372699
11 121910555703890549598868125

List of values

[729, 110427, 22598167, 4867038759, 1065016901935, 234215122981463, 51596648899152901, 11373354088592222347, 2507537188605388269479, 552889843504513864372699, 121910555703890549598868125]

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

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