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.

A207515 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 2
2 16
3 98
4 1307
5 29622
6 1048423
7 54373655
8 4964342828
9 715483286848
10 161734351034666
11 59741686819322041
12 35917251659399987384
13 34508253720326500890077
14 53717705561862882229716065

List of values

[2, 16, 98, 1307, 29622, 1048423, 54373655, 4964342828, 715483286848, 161734351034666, 59741686819322041, 35917251659399987384, 34508253720326500890077, 53717705561862882229716065]

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

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