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.

A208112 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.

Table of values

n a(n)
1 35
2 1225
3 2485
4 5041
5 89815
6 1600225
7 4747545
8 14085009
9 176312187
10 2207026441
11 8330645133
12 31444864929
13 316504755855
14 3185743068225
15 14132905548945
16 62697780385249
17 546849942762131
18 4769624348126089
19 23640747042219941

List of values

[35, 1225, 2485, 5041, 89815, 1600225, 4747545, 14085009, 176312187, 2207026441, 8330645133, 31444864929, 316504755855, 3185743068225, 14132905548945, 62697780385249, 546849942762131, 4769624348126089, 23640747042219941]

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

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