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.

A203090 Number of (n+2)X9 binary arrays avoiding patterns 000 and 101 in rows and columns.

Table of values

n a(n)
1 25384
2 169561
3 1110338
4 8108104
5 58260775
6 411159715
7 2942039652
8 21001045294
9 149307714269
10 1063928895151
11 7580777433365
12 53974528946958
13 384438447373736
14 2738313728520726
15 19501965156958738
16 138898967881687747

List of values

[25384, 169561, 1110338, 8108104, 58260775, 411159715, 2942039652, 21001045294, 149307714269, 1063928895151, 7580777433365, 53974528946958, 384438447373736, 2738313728520726, 19501965156958738, 138898967881687747]

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

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