A279982 Number of 6Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

0, 366, 8666, 118857, 1393359, 14787217, 144819856, 1355133674, 12222561957, 107168421376, 919014967352, 7738697955701, 64184333582436, 525544904926118, 4256024819831325, 34138948634797208, 271561971723338553

Offset

1,2

Comments

Row 6 of A279977.

Links

R. H. Hardin, Table of n, a(n) for n = 1..124

Example

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

Crossrefs

Cf. A279977.

Sequence in context: A249704 A260281 A325847 * A286793 A079493 A080020

Adjacent sequences: A279979 A279980 A279981 * A279983 A279984 A279985

Keyword

nonn

Author

R. H. Hardin, Dec 24 2016

Status

approved