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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.

A223598 Petersen graph (8,2) coloring a rectangular array: number of nX7 0..15 arrays where 0..15 label nodes of a graph with edges 0,1 0,8 8,14 8,10 1,2 1,9 9,15 9,11 2,3 2,10 10,12 3,4 3,11 11,13 4,5 4,12 12,14 5,6 5,13 13,15 6,7 6,14 7,0 7,15 and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an edge of this graph.

Table of values

n a(n)
1 11664
2 755200
3 90390720
4 13959069888
5 2400064408240
6 430525083804688
7 78546923445668960
8 14429703592790084096
9 2658520939017305600464
10 490410636478840098415664
11 90513619131741471092127136

List of values

[11664, 755200, 90390720, 13959069888, 2400064408240, 430525083804688, 78546923445668960, 14429703592790084096, 2658520939017305600464, 490410636478840098415664, 90513619131741471092127136]

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

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