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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.

A223601 Petersen graph (8,2) coloring a rectangular array: number of 3Xn 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 4096
2 1376
3 16192
4 122608
5 1124064
6 9902320
7 90390720
8 827854448
9 7658651360
10 71165672752
11 663933249024
12 6209221918896
13 58174002355232
14 545677201489648
15 5122736643803840
16 48118345117470448
17 452153378054341216

List of values

[4096, 1376, 16192, 122608, 1124064, 9902320, 90390720, 827854448, 7658651360, 71165672752, 663933249024, 6209221918896, 58174002355232, 545677201489648, 5122736643803840, 48118345117470448, 452153378054341216]

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

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