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.

A218758 Unmatched value maps: number of n X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 n X n array.

Table of values

n a(n)
1 1
2 6
3 90
4 2942
5 280850
6 70915451
7 48186998294
8 87678602579068

List of values

[1, 6, 90, 2942, 280850, 70915451, 48186998294, 87678602579068]

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

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