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.

A208713 Number of 6Xn 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 32
2 2048
3 67228
4 2587924
5 96373248
6 3613193828
7 135288700496
8 5066922301172
9 189760457060980
10 7106753308593540
11 266155856593675476
12 9967837469474701148
13 373306752240786865244
14 13980758919336720329676
15 523595189388352085042024

List of values

[32, 2048, 67228, 2587924, 96373248, 3613193828, 135288700496, 5066922301172, 189760457060980, 7106753308593540, 266155856593675476, 9967837469474701148, 373306752240786865244, 13980758919336720329676, 523595189388352085042024]

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

Content is available under The OEIS End-User License Agreement.