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.

A220576 Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX5 array.

Table of values

n a(n)
1 16
2 371
3 8334
4 165130
5 3162375
6 59690533
7 1120269376
8 20961430054
9 391477041024
10 7301113014734
11 136014086356403
12 2531419892514045
13 47074407789101798
14 874763025888567980
15 16244954731049984109
16 301509938118179385606

List of values

[16, 371, 8334, 165130, 3162375, 59690533, 1120269376, 20961430054, 391477041024, 7301113014734, 136014086356403, 2531419892514045, 47074407789101798, 874763025888567980, 16244954731049984109, 301509938118179385606]

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

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