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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.

A196297 Number of nX5 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 9
2 187
3 1201
4 14231
5 160800
6 1752855
7 19123802
8 207927811
9 2289816421
10 25196042496
11 275801202962
12 3022047651617
13 33191139932413
14 364411328809394
15 3997197786597231
16 43850392251373127
17 481263490991618506

List of values

[9, 187, 1201, 14231, 160800, 1752855, 19123802, 207927811, 2289816421, 25196042496, 275801202962, 3022047651617, 33191139932413, 364411328809394, 3997197786597231, 43850392251373127, 481263490991618506]

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

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