A282883 Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

12, 416, 13062, 286920, 6296324, 128768496, 2561487246, 49811090624, 951678283294, 17942875499666, 334648098052706, 6186474258515070, 113524128817623768, 2070195868615817640, 37549019984769514068

Offset

1,1

Comments

Column 6 of A282885.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A282885.

Sequence in context: A211078 A299382 A197038 * A163971 A340306 A249065

Adjacent sequences: A282880 A282881 A282882 * A282884 A282885 A282886

Keyword

nonn

Author

R. H. Hardin, Feb 24 2017

Status

approved