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A299372
Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
1
8, 3336, 285931, 22129704, 1795186406, 145700454710, 11808073517522, 957054636207245, 77572170112847769, 6287447361186053475, 509615702368833445640, 41305821175367080066062, 3347955852661976379389792
OFFSET
1,1
COMMENTS
Column 7 of A299373.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0..1. .0..0..1..0..1..0..0. .0..0..1..0..1..0..1
..0..0..0..1..0..0..1. .0..0..1..0..0..1..1. .0..0..1..0..0..1..1
..0..0..0..1..1..0..1. .0..0..1..0..0..1..1. .0..0..1..0..0..1..1
..0..0..0..1..0..0..0. .0..0..1..1..0..1..0. .0..0..1..1..0..1..0
..0..0..0..1..1..1..1. .0..0..1..1..1..0..1. .0..0..1..1..1..0..1
CROSSREFS
Cf. A299373.
Sequence in context: A201100 A079177 A298279 * A299141 A299936 A299066
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2018
STATUS
approved