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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.

A223594 Petersen graph (8,2) coloring a rectangular array: number of n X 3 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)
1 144
2 1504
3 16192
4 176224
5 1931968
6 21308000
7 236213312
8 2629972704
9 29389265856
10 329426847840
11 3702023397952
12 41690675717344
13 470324275582912
14 5313486488316000
15 60099803562912832
16 680431871048616672

List of values

[144, 1504, 16192, 176224, 1931968, 21308000, 236213312, 2629972704, 29389265856, 329426847840, 3702023397952, 41690675717344, 470324275582912, 5313486488316000, 60099803562912832, 680431871048616672]

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

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