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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.

A223595 Petersen graph (8,2) coloring a rectangular array: number of nX4 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)
1 432
2 6736
3 122608
4 2372080
5 47659632
6 982848688
7 20631729648
8 438231627440
9 9379905920496
10 201754894742320
11 4353130535839216
12 94109174401819824
13 2037032269494019568
14 44126508340010479152
15 956337724569802746864

List of values

[432, 6736, 122608, 2372080, 47659632, 982848688, 20631729648, 438231627440, 9379905920496, 201754894742320, 4353130535839216, 94109174401819824, 2037032269494019568, 44126508340010479152, 956337724569802746864]

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

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