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.

A207030 Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.

Table of values

n a(n)
1 14
2 196
3 546
4 2646
5 10374
6 28224
7 95900
8 263228
9 707756
10 1914436
11 4765030
12 11929281
13 28919940
14 68405886
15 160363388
16 367794936
17 834116976
18 1868512272
19 4133596062
20 9061947202
21 19668851743
22 42331019322
23 90400217730
24 191610354448

List of values

[14, 196, 546, 2646, 10374, 28224, 95900, 263228, 707756, 1914436, 4765030, 11929281, 28919940, 68405886, 160363388, 367794936, 834116976, 1868512272, 4133596062, 9061947202, 19668851743, 42331019322, 90400217730, 191610354448]

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

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