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.

A219435 Unmatched value maps: number of n X n binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 n X n array.

Table of values

n a(n)
1 1
2 6
3 78
4 1750
5 98584
6 12323337
7 3553813654
8 2370435069040
9 3599403810329586

List of values

[1, 6, 78, 1750, 98584, 12323337, 3553813654, 2370435069040, 3599403810329586]

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

Content is available under The OEIS End-User License Agreement.