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.

A197669 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 9
2 217
3 2765
4 44323
5 709083
6 11277331
7 178113620
8 2824369075
9 44803424135
10 710299706355
11 11259206241825
12 178502455899971
13 2830080961456550
14 44867619862024252
15 711321096455186766
16 11277240691421407939

List of values

[9, 217, 2765, 44323, 709083, 11277331, 178113620, 2824369075, 44803424135, 710299706355, 11259206241825, 178502455899971, 2830080961456550, 44867619862024252, 711321096455186766, 11277240691421407939]

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

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