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A298769
Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1
8, 2048, 11807, 89295, 754713, 6456802, 53950338, 454801194, 3847185453, 32497437189, 274558538901, 2321648021996, 19629628158181, 165957305627364, 1403226073953134, 11865080326336066, 100325233293376853
OFFSET
1,1
COMMENTS
Column 7 of A298770.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..1..0..0. .0..0..0..0..1..0..1. .0..0..1..0..0..0..1
..0..0..0..1..0..1..0. .1..1..1..0..1..1..0. .0..0..1..0..0..0..1
..0..0..0..1..0..1..1. .1..1..1..0..1..0..1. .0..0..1..0..0..0..1
..0..0..0..1..0..0..1. .1..1..1..0..0..1..0. .0..0..1..0..0..0..1
CROSSREFS
Cf. A298770.
Sequence in context: A295217 A297950 A298559 * A299566 A298388 A299306
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2018
STATUS
approved