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.

A208712 Number of 5Xn 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.

Table of values

n a(n)
1 16
2 512
3 9604
4 204020
5 4226368
6 87985748
7 1830045552
8 38070302740
9 791949216708
10 16474443378336
11 342707611610988
12 7129134738677660
13 148302981848252912
14 3085055246536395480
15 64176496980568384684
16 1335023990202619369508

List of values

[16, 512, 9604, 204020, 4226368, 87985748, 1830045552, 38070302740, 791949216708, 16474443378336, 342707611610988, 7129134738677660, 148302981848252912, 3085055246536395480, 64176496980568384684, 1335023990202619369508]

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

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