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.

A208683 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 0 1 vertically.

Table of values

n a(n)
1 2
2 16
3 78
4 927
5 12096
6 301035
7 6398617
8 358035204
9 14996975204
10 1866358422700
11 142488171799491
12 43994512655386488
13 5996882020078059149
14 4716359423241404452425
15 1123534623785504112746542

List of values

[2, 16, 78, 927, 12096, 301035, 6398617, 358035204, 14996975204, 1866358422700, 142488171799491, 43994512655386488, 5996882020078059149, 4716359423241404452425, 1123534623785504112746542]

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

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