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A299186
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1
64, 301, 137, 952, 4115, 12847, 59287, 270914, 1088697, 5017429, 22861814, 97586048, 444232955, 2021643018, 8825115683, 39848981071, 180691585774, 798045866431, 3587277159543, 16208542978994, 72063515690216
OFFSET
1,1
COMMENTS
Column 7 of A299187.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1..0..0. .0..0..0..1..0..0..0. .0..1..0..0..1..0..1
..0..1..0..1..1..1..1. .0..1..0..1..0..1..0. .1..0..1..1..0..1..0
..0..1..1..1..1..0..0. .0..0..0..1..0..0..0. .1..0..0..0..0..1..1
..0..1..1..1..1..0..1. .0..0..0..1..0..0..0. .0..0..1..1..0..0..0
..0..1..0..0..1..0..0. .1..0..0..0..0..0..1. .1..1..0..0..1..1..0
CROSSREFS
Cf. A299187.
Sequence in context: A298493 A298293 A299387 * A299947 A372093 A251196
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2018
STATUS
approved