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.

A207746 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 2
2 16
3 102
4 900
5 8778
6 104976
7 1341606
8 20115225
9 316615970
10 5707953601
11 106646250804
12 2244863934369
13 48526426817904
14 1167193108267264
15 28644642089792472
16 774480816028370889
17 21267135535735987266

List of values

[2, 16, 102, 900, 8778, 104976, 1341606, 20115225, 316615970, 5707953601, 106646250804, 2244863934369, 48526426817904, 1167193108267264, 28644642089792472, 774480816028370889, 21267135535735987266]

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

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