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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.

A223602 Petersen graph (8,2) coloring a rectangular array: number of 4Xn 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 65536
2 7424
3 176224
4 2372080
5 43725920
6 755683024
7 13959069888
8 258174966416
9 4850832343904
10 91505981537072
11 1733729781877920
12 32909491571349680
13 625534833011886880
14 11898376530083012208
15 226422016143905134464

List of values

[65536, 7424, 176224, 2372080, 43725920, 755683024, 13959069888, 258174966416, 4850832343904, 91505981537072, 1733729781877920, 32909491571349680, 625534833011886880, 11898376530083012208, 226422016143905134464]

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

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