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
Examples
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.
Comments