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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.

A196956 Number of n X 7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,4,0 for x=0,1,2,3,4.

Table of values

n a(n)
1 13
2 178
3 2987
4 78717
5 1918608
6 46887039
7 1147966466
8 28133304588
9 688970472958
10 16871844816740
11 413232005901840
12 10120704139954048
13 247866954036866195
14 6070590513451031047
15 148677076483267579402
16 3641296772946640910171

List of values

[13, 178, 2987, 78717, 1918608, 46887039, 1147966466, 28133304588, 688970472958, 16871844816740, 413232005901840, 10120704139954048, 247866954036866195, 6070590513451031047, 148677076483267579402, 3641296772946640910171]

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

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