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.

A232080 Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.

Table of values

n a(n)
1 111
2 3985
3 82996
4 2265691
5 64298979
6 1786680190
7 49535329657
8 1375366780223
9 38192786490900
10 1060470627750905
11 29445068097883913
12 817579005907041518
13 22701109558899272767
14 630324525317504125167
15 17501743597007465575440

List of values

[111, 3985, 82996, 2265691, 64298979, 1786680190, 49535329657, 1375366780223, 38192786490900, 1060470627750905, 29445068097883913, 817579005907041518, 22701109558899272767, 630324525317504125167, 17501743597007465575440]

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

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