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.

A207502 Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 14
2 196
3 932
4 3939
5 14253
6 41938
7 122061
8 319798
9 813724
10 2009628
11 4807523
12 11399943
13 26611726
14 61691519
15 142452960
16 327544544
17 752851062
18 1729196533
19 3973096971
20 9138133990
21 21035634301
22 48483600980
23 111872215076
24 258410783006

List of values

[14, 196, 932, 3939, 14253, 41938, 122061, 319798, 813724, 2009628, 4807523, 11399943, 26611726, 61691519, 142452960, 327544544, 752851062, 1729196533, 3973096971, 9138133990, 21035634301, 48483600980, 111872215076, 258410783006]

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

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