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.

A223440 T(n,k)=Generalized Petersen graph (8,2) coloring a rectangular array: number of nXk 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 48
3 48
4 144
5 256
6 144
7 432
8 1376
9 1376
10 432
11 1296
12 7424
13 14112
14 7424
15 1296
16 3888
17 40160
18 147520
19 147520
20 40160
21 3888
22 11664
23 217600
24 1562176
25 3099264
26 1562176
27 217600
28 11664
29 34992
30 1180256
31 16693920
32 67182208
33 67182208
34 16693920
35 1180256

List of values

[16, 48, 48, 144, 256, 144, 432, 1376, 1376, 432, 1296, 7424, 14112, 7424, 1296, 3888, 40160, 147520, 147520, 40160, 3888, 11664, 217600, 1562176, 3099264, 1562176, 217600, 11664, 34992, 1180256, 16693920, 67182208, 67182208, 16693920, 1180256]

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

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