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.

A208102 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.

Table of values

n a(n)
1 2
2 16
3 78
4 361
5 6235
6 261121
7 4747545
8 90782784
9 18473477832
10 9693564675601
11 668167531935849
12 46925086118316121
13 128627682135940435023
14 919037094400530117376144
15 213624920267877921384329046

List of values

[2, 16, 78, 361, 6235, 261121, 4747545, 90782784, 18473477832, 9693564675601, 668167531935849, 46925086118316121, 128627682135940435023, 919037094400530117376144, 213624920267877921384329046]

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

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