A279377 Number of n X n 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with new values introduced in order 0 sequentially upwards.

1, 3, 35, 1101, 92803, 21144799, 12564378389, 19570894277584, 80226394346033215, 865436731590939087124

Offset

1,2

Comments

Diagonal of A279384.

Links

Table of n, a(n) for n=1..10.

Example

Some solutions for n=4
..0..1..1..1. .0..1..0..1. .0..1..1..1. .0..1..1..1. .0..1..1..0
..1..0..0..0. .0..1..0..0. .0..0..0..0. .1..0..0..0. .1..0..1..0
..1..1..1..0. .1..1..1..1. .1..1..1..0. .1..1..0..1. .0..0..0..1
..0..1..0..1. .0..0..0..1. .0..0..1..0. .0..1..1..0. .1..1..0..0

Crossrefs

Cf. A279384.

Sequence in context: A107712 A062699 A012767 * A215582 A136525 A136556

Adjacent sequences: A279374 A279375 A279376 * A279378 A279379 A279380

Keyword

nonn

Author

R. H. Hardin, Dec 11 2016

Status

approved