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.

A208025 Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.

Table of values

n a(n)
1 16
2 256
3 1260
4 5895
5 26845
6 123709
7 574560
8 2652823
9 12235080
10 56562528
11 261375285
12 1207084221
13 5576420791
14 25763656492
15 119015522955
16 549803070176
17 2539953311868
18 11733758509383
19 54205846730505
20 250413745670973

List of values

[16, 256, 1260, 5895, 26845, 123709, 574560, 2652823, 12235080, 56562528, 261375285, 1207084221, 5576420791, 25763656492, 119015522955, 549803070176, 2539953311868, 11733758509383, 54205846730505, 250413745670973]

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

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