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.

A208070 Number of 5 X n 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 12
2 144
3 216
4 1008
5 3696
6 12960
7 48840
8 179520
9 657000
10 2423280
11 8913456
12 32769360
13 120581784
14 443565696
15 1631571912
16 6002079552
17 22079078352
18 81218792016
19 298770650040
20 1099049754720
21 4042930839192
22 14872226620512
23 54708578740752

List of values

[12, 144, 216, 1008, 3696, 12960, 48840, 179520, 657000, 2423280, 8913456, 32769360, 120581784, 443565696, 1631571912, 6002079552, 22079078352, 81218792016, 298770650040, 1099049754720, 4042930839192, 14872226620512, 54708578740752]

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

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