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A316638
Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
3, 120, 404, 2342, 14568, 85222, 532401, 3294736, 20347911, 126428149, 783992331, 4863257013, 30176562361, 187222566440, 1161599360151, 7207152227790, 44716564625643, 277441946632944, 1721383218868835, 10680278160407538
OFFSET
1,1
COMMENTS
Column 5 of A316641.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..1. .0..0..0..0..1. .0..0..0..1..1. .0..0..1..1..1
..0..1..0..0..0. .0..1..0..0..0. .0..1..1..0..1. .0..1..1..0..0
..1..0..0..1..0. .0..0..0..0..1. .0..1..1..1..1. .1..1..1..0..0
..1..0..0..1..0. .0..0..0..1..1. .1..0..1..1..1. .0..1..0..1..0
..1..0..0..0..0. .0..1..0..1..0. .1..1..1..0..1. .0..0..0..1..1
CROSSREFS
Cf. A316641.
Sequence in context: A304016 A305364 A304956 * A227480 A304694 A316445
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 09 2018
STATUS
approved