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.

A220380 Majority value maps: number of n X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 n X n array.

Original entry on oeis.org

1, 7, 136, 7462, 1829169, 1509240923, 4230913273170
Offset: 1

Views

Author

R. H. Hardin Dec 13 2012

Keywords

Comments

Diagonal of A220386

Examples

			Some solutions for n=3
..1..0..0....1..1..1....1..1..1....0..0..1....1..0..0....1..0..1....1..1..1
..0..0..1....0..1..1....0..1..1....1..0..1....0..0..0....1..1..0....1..0..0
..1..1..0....1..0..1....0..0..0....1..1..1....1..1..1....1..1..1....1..1..1