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A302313
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
16, 21, 58, 153, 445, 1595, 4772, 15249, 49634, 166329, 547264, 1812790, 6026255, 20329381, 68337634, 228989976, 768581607, 2595937574, 8761489896, 29487968631, 99305798186, 335393857959, 1132559861889, 3818247323820, 12874857356305
OFFSET
1,1
COMMENTS
Row 5 of A302309.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..1. .0..1..1..0..1. .0..1..0..0..0. .0..1..0..1..0
..1..1..0..0..0. .0..0..0..0..1. .0..1..1..1..0. .1..1..0..1..1
..1..1..1..1..1. .1..1..0..1..0. .0..0..0..1..0. .0..1..0..1..0
..0..1..1..0..1. .0..0..0..1..0. .1..1..1..1..1. .0..1..0..1..0
..0..0..0..0..1. .0..1..1..1..0. .1..0..1..1..0. .0..1..1..0..0
CROSSREFS
Cf. A302309.
Sequence in context: A302638 A302430 A138173 * A303200 A303043 A302880
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 05 2018
STATUS
approved