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.

A207946 Number of nX5 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 12
2 144
3 612
4 3478
5 18172
6 98126
7 524104
8 2806686
9 15013734
10 80346942
11 429945512
12 2300766930
13 12311872834
14 65883534740
15 352556938048
16 1886609290440
17 10095657707146
18 54024066478278
19 289094554417718
20 1547007980129850

List of values

[12, 144, 612, 3478, 18172, 98126, 524104, 2806686, 15013734, 80346942, 429945512, 2300766930, 12311872834, 65883534740, 352556938048, 1886609290440, 10095657707146, 54024066478278, 289094554417718, 1547007980129850]

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

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