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A300503
Number of nX5 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
8, 6, 6, 32, 56, 208, 546, 2006, 5835, 18466, 58308, 186335, 582625, 1860566, 5858450, 18630807, 58838581, 186793554, 590956811, 1873885918, 5932477246, 18802162085, 59546364960, 188676223980, 597626466721, 1893415121389, 5997783554269
OFFSET
1,1
COMMENTS
Column 5 of A300506.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..1. .0..0..1..1..0. .0..1..0..1..0. .0..1..0..1..0
..0..1..0..0..0. .1..1..1..1..1. .0..1..1..0..1. .0..1..0..0..1
..1..1..0..0..0. .0..0..0..0..0. .1..0..1..1..0. .1..1..0..1..0
..1..1..1..1..0. .1..0..1..0..0. .0..1..1..0..1. .1..1..0..0..1
..0..0..1..1..1. .0..1..0..1..0. .1..0..0..0..0. .0..1..0..0..0
CROSSREFS
Cf. A300506.
Sequence in context: A218197 A181048 A199873 * A153791 A004497 A091899
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 07 2018
STATUS
approved