cp's OEIS Frontend

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.

A223433 Generalized Petersen graph (8,2) coloring a rectangular array: number of n X n 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 or vertical neighbor moves along an edge of this graph.

Table of values

n a(n)
1 16
2 256
3 14112
4 3099264
5 3049973040
6 14233389951648
7 313233804577725904
8 31773869927610747929664
9 14659288101904896523559420400
10 30618348337161405692150233995935392

List of values

[16, 256, 14112, 3099264, 3049973040, 14233389951648, 313233804577725904, 31773869927610747929664, 14659288101904896523559420400, 30618348337161405692150233995935392]

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

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