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A303202
Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
64, 86, 305, 1357, 5573, 32223, 164295, 791150, 3806973, 20061588, 102569116, 509264634, 2533233396, 13009655163, 66295486978, 333341116143, 1676598847494, 8537179144591, 43394714360416, 219303340502779, 1108007577865676
OFFSET
1,1
COMMENTS
Row 7 of A303197.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1. .0..1..0..1..0. .0..1..0..1..0. .0..1..1..0..1
..1..1..1..1..0. .1..1..0..0..0. .1..1..0..1..1. .1..1..1..1..0
..1..1..1..1..1. .0..1..0..1..0. .0..1..0..1..0. .1..1..1..1..1
..0..1..1..1..1. .0..1..0..1..1. .0..1..0..1..0. .1..1..1..1..1
..0..1..0..1..1. .0..1..0..1..0. .1..1..0..0..0. .0..1..1..1..1
..0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0. .1..0..1..1..0
..1..0..0..1..0. .0..1..0..0..1. .0..1..0..1..0. .1..0..1..0..1
CROSSREFS
Cf. A303197.
Sequence in context: A302169 A302640 A302432 * A302315 A303045 A302882
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 19 2018
STATUS
approved