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.

A207461 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 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 21517
6 491948
7 16675001
8 760840082
9 48694010408
10 4485988205726
11 562936265068141
12 102307352557957161
13 26014225086453944774
14 9391676528481972080755
15 4844995109176631213739332

List of values

[2, 16, 98, 1307, 21517, 491948, 16675001, 760840082, 48694010408, 4485988205726, 562936265068141, 102307352557957161, 26014225086453944774, 9391676528481972080755, 4844995109176631213739332]

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

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