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.

A300808 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 16
2 401
3 5908
4 90980
5 1415898
6 22066384
7 343667594
8 5352803078
9 83370618870
10 1298522133491
11 20224807270510
12 315006587914766
13 4906307896242419
14 76417000191122495
15 1190214305925792113
16 18537892031543901060

List of values

[16, 401, 5908, 90980, 1415898, 22066384, 343667594, 5352803078, 83370618870, 1298522133491, 20224807270510, 315006587914766, 4906307896242419, 76417000191122495, 1190214305925792113, 18537892031543901060]

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

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