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A298054
Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.
1
8, 95, 63, 240, 422, 780, 1708, 3362, 6794, 14943, 29523, 61474, 128150, 264417, 548393, 1137867, 2348710, 4866530, 10091166, 20917294, 43349064, 89869896, 186296604, 386177081, 800695527, 1660420377, 3442732936, 7137995410
OFFSET
1,1
COMMENTS
Column 7 of A298055.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0..0..1. .0..0..1..1..1..0..0. .0..1..0..1..1..1..0
..0..0..1..1..1..1..0. .1..1..0..0..0..1..1. .1..0..0..1..0..1..0
..1..1..1..0..1..0..1. .0..0..0..1..0..0..0. .1..0..1..0..1..0..1
..0..0..1..0..1..0..1. .1..1..0..1..0..1..1. .1..0..0..1..0..1..0
..0..1..1..0..1..0..1. .1..0..0..1..0..0..1. .0..1..0..1..1..1..0
CROSSREFS
Cf. A298055.
Sequence in context: A080208 A297857 A298092 * A298887 A298659 A299611
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2018
STATUS
approved