cp's OEIS Frontend

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.

A196215 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 9
2 189
3 1217
4 14605
5 173216
6 1937895
7 21716929
8 244152037
9 2771090244
10 31410926798
11 354585313303
12 4007921508273
13 45388862660525
14 513791891452149
15 5811758649045041
16 65752943364665551
17 744175679426127501

List of values

[9, 189, 1217, 14605, 173216, 1937895, 21716929, 244152037, 2771090244, 31410926798, 354585313303, 4007921508273, 45388862660525, 513791891452149, 5811758649045041, 65752943364665551, 744175679426127501]

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

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