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A318043
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
1, 17, 377, 6179, 116212, 2098813, 37826270, 685931021, 12431437346, 225185610429, 4079648110833, 73911910191705, 1339060286964873, 24259745271648515, 439514170442137673, 7962682122862778107
OFFSET
1,2
COMMENTS
Column 6 of A318045.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..1..1. .0..1..0..1..1..0. .0..1..0..1..0..1. .0..1..0..0..1..0
..1..1..0..0..0..0. .1..1..0..1..0..1. .1..1..1..0..1..0. .1..1..0..1..1..1
..0..1..1..0..0..1. .0..1..0..1..0..0. .0..1..1..0..1..0. .0..1..0..0..0..1
..0..1..1..1..1..0. .1..0..1..1..1..1. .0..1..0..0..1..0. .1..1..1..0..1..0
..0..1..0..0..0..1. .1..0..1..0..1..0. .1..0..1..1..0..1. .0..0..1..1..0..0
CROSSREFS
Cf. A318045.
Sequence in context: A097499 A132541 A159244 * A012639 A350926 A327732
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 13 2018
STATUS
approved