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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.

A196684 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,2,3 for x=0,1,2,3,4.

Table of values

n a(n)
1 25
2 1629
3 22461
4 796557
5 25142624
6 741925729
7 23029545105
8 718199634805
9 22138818455076
10 682005890331480
11 21125269566890884
12 654095412346594187
13 20229325302713363751
14 625878086264793074895
15 19368465617464223064077

List of values

[25, 1629, 22461, 796557, 25142624, 741925729, 23029545105, 718199634805, 22138818455076, 682005890331480, 21125269566890884, 654095412346594187, 20229325302713363751, 625878086264793074895, 19368465617464223064077]

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

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