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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.

A223305 T(n,k)=4X4X4 triangular graph coloring a rectangular array: number of nXk 0..9 arrays where 0..9 label nodes of a graph with edges 0,1 0,2 1,2 1,3 1,4 2,4 3,4 2,5 4,5 3,6 3,7 4,7 6,7 4,8 5,8 7,8 5,9 8,9 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

Table of values

n a(n)
1 10
2 36
3 36
4 144
5 324
6 144
7 576
8 3132
9 3132
10 576
11 2304
12 30564
13 76788
14 30564
15 2304
16 9216
17 298620
18 1882500
19 1882500
20 298620
21 9216
22 36864
23 2918052
24 46589268
25 118001928
26 46589268
27 2918052
28 36864
29 147456
30 28515132
31 1148040516
32 7442199324
33 7442199324

List of values

[10, 36, 36, 144, 324, 144, 576, 3132, 3132, 576, 2304, 30564, 76788, 30564, 2304, 9216, 298620, 1882500, 1882500, 298620, 9216, 36864, 2918052, 46589268, 118001928, 46589268, 2918052, 36864, 147456, 28515132, 1148040516, 7442199324, 7442199324]

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

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