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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.

A196299 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,4,2 for x=0,1,2,3,4.

Table of values

n a(n)
1 25
2 1597
3 21344
4 686759
5 19123802
6 513362648
7 14372583192
8 402254701097
9 11172616795189
10 309961960884860
11 8636593218691567
12 240597854301944078
13 6696378931249054755
14 186420836116243663032
15 5190804183327066922164

List of values

[25, 1597, 21344, 686759, 19123802, 513362648, 14372583192, 402254701097, 11172616795189, 309961960884860, 8636593218691567, 240597854301944078, 6696378931249054755, 186420836116243663032, 5190804183327066922164]

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

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