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A296156
Number of n X 7 0..1 arrays with each 1 adjacent to 3 or 5 king-move neighboring 1's.
1
1, 37, 157, 585, 3775, 21087, 108933, 605121, 3383481, 18933967, 108596954, 621307251, 3596674404, 21361372274, 126467308667, 755919541074, 4613926900275, 28140294521457, 172868292897945, 1077086719344405
OFFSET
1,2
COMMENTS
Column 7 of A296157.
LINKS
EXAMPLE
Some solutions for n=7
..0..1..1..0..0..0..0. .0..0..0..0..0..0..0. .0..1..1..1..0..1..1
..0..1..1..0..1..1..0. .1..1..0..0..0..0..0. .0..1..1..1..0..1..1
..0..0..0..0..1..1..0. .1..1..0..0..0..0..0. .0..0..0..0..0..1..1
..0..0..1..0..0..0..0. .0..0..0..0..0..1..1. .0..0..0..0..0..1..1
..0..1..1..1..0..0..0. .0..0..0..0..0..1..1. .0..0..0..0..0..0..0
..1..1..1..0..0..1..1. .0..0..0..0..0..1..1. .1..1..1..0..1..1..1
..0..1..0..0..0..1..1. .0..0..0..0..0..1..1. .1..1..1..0..1..1..1
CROSSREFS
Cf. A296157.
Sequence in context: A250943 A142197 A140011 * A250842 A374273 A083389
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2017
STATUS
approved