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.

A219738 Unmatched value maps: number of nX5 binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX5 array.

Table of values

n a(n)
1 12
2 60
3 387
4 2229
5 13322
6 78661
7 466288
8 2760690
9 16350693
10 96830726
11 573456240
12 3396136349
13 20112704280
14 119112043349
15 705408898268
16 4177593432263
17 24740667779362
18 146519915909536
19 867724589734469
20 5138864287202152

List of values

[12, 60, 387, 2229, 13322, 78661, 466288, 2760690, 16350693, 96830726, 573456240, 3396136349, 20112704280, 119112043349, 705408898268, 4177593432263, 24740667779362, 146519915909536, 867724589734469, 5138864287202152]

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

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