A282995 - OEIS

A282995

Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors.

81, 2570, 96693, 3546870, 130854309, 4817792042, 177509416175, 6539125324144, 240894164469261, 8874303766960833, 326920126439954151, 12043397390708228297, 443666302338469244577, 16344206879501911050248

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A282996.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0..0..1..0..1. .0..0..0..0..1..0..1. .0..0..0..1..0..0..0

..0..0..0..1..0..0..0. .0..0..0..0..0..0..1. .0..0..0..0..1..0..0

..0..0..0..0..1..0..1. .0..0..1..1..0..0..0. .0..0..1..0..0..0..0

..0..0..0..0..1..0..0. .0..0..0..0..0..0..1. .0..0..0..0..1..0..1

..0..0..0..1..0..1..0. .0..0..0..0..1..1..0. .0..0..0..0..0..0..1

CROSSREFS

Cf. A282996.

Sequence in context: A236729 A236147 A237473 * A295274 A206534 A231859

Adjacent sequences: A282992 A282993 A282994 * A282996 A282997 A282998

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 26 2017

STATUS

approved