A279734 Number of n X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 2, 35, 736, 29140, 2407152, 413326300, 151323545378, 119347643570782, 203229304788874114, 751402813331642186551

Offset

1,2

Comments

Diagonal of A279741.

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Cf. A279741.

Sequence in context: A266320 A112442 A066549 * A277294 A191807 A245052

Adjacent sequences: A279731 A279732 A279733 * A279735 A279736 A279737

Keyword

nonn,more,changed

Author

R. H. Hardin, Dec 18 2016

Status

approved