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.

A207241 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 25
2 625
3 3355
4 17929
5 122197
6 683257
7 3510185
8 18982182
9 99915970
10 505774921
11 2568234125
12 12986009155
13 64726463915
14 321230475656
15 1590644502408
16 7833019325065
17 38434345117724
18 188211984325803
19 919273907789464

List of values

[25, 625, 3355, 17929, 122197, 683257, 3510185, 18982182, 99915970, 505774921, 2568234125, 12986009155, 64726463915, 321230475656, 1590644502408, 7833019325065, 38434345117724, 188211984325803, 919273907789464]

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

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