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.

A207236 Number of n X n 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 2
2 16
3 102
4 987
5 13876
6 197256
7 3510185
8 71594896
9 1760487825
10 47844199134
11 1511863246821
12 57304254157049
13 2367852660685470
14 115523120639939042
15 6698200226978686505
16 429360115542695358515
17 32711874875890241470483

List of values

[2, 16, 102, 987, 13876, 197256, 3510185, 71594896, 1760487825, 47844199134, 1511863246821, 57304254157049, 2367852660685470, 115523120639939042, 6698200226978686505, 429360115542695358515, 32711874875890241470483]

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

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