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.

A281709 Number of n X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 1
2 3
3 8
4 97
5 937
6 29849
7 1721319
8 178547832
9 41247350230
10 17968646792801

List of values

[1, 3, 8, 97, 937, 29849, 1721319, 178547832, 41247350230, 17968646792801]

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

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