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.

A202377 Number of (n+2)X9 binary arrays avoiding patterns 001 and 111 in rows and columns.

Table of values

n a(n)
1 11362
2 68965
3 327679
4 1285065
5 4830102
6 16261405
7 51833855
8 156557263
9 450660848
10 1250551900
11 3351714309
12 8722793052
13 22118866900
14 54801500414
15 132976157412
16 316751623141
17 741810250017
18 1710936850978
19 3891524278627

List of values

[11362, 68965, 327679, 1285065, 4830102, 16261405, 51833855, 156557263, 450660848, 1250551900, 3351714309, 8722793052, 22118866900, 54801500414, 132976157412, 316751623141, 741810250017, 1710936850978, 3891524278627]

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

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