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A305515
Number of n X 7 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
8, 22, 33, 73, 353, 925, 3547, 14118, 43745, 173690, 619516, 2147913, 8153824, 28790735, 103815980, 382085808, 1363770884, 4956454784, 18012376227, 64822077441, 235449812312, 852438681934, 3079887721936, 11169200595881
OFFSET
1,1
COMMENTS
Column 7 of A305516.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0..0. .0..0..0..0..0..0..0. .0..1..0..0..0..0..0
..1..0..0..0..0..1..0. .0..1..0..1..0..0..1. .0..0..0..1..0..1..0
..0..0..0..1..0..0..0. .0..0..0..0..0..0..0. .1..0..0..0..0..0..0
..1..0..0..0..0..0..0. .1..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..1..0..0..1..0. .0..0..0..1..0..1..0. .0..1..0..1..0..1..0
CROSSREFS
Cf. A305516.
Sequence in context: A064193 A301482 A213017 * A360510 A063301 A030999
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 03 2018
STATUS
approved