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A316510
Number of nX7 0..1 arrays with every element unequal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
0, 702, 22187, 1999511, 154346491, 12391266721, 990266635029, 79268327832419, 6344959753540191, 507911595926565716, 40658609887566331758, 3254760936056410385571, 260547032484097554405316
OFFSET
1,2
COMMENTS
Column 7 of A316511.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..1..0. .0..1..1..0..1..0..1. .0..1..1..1..1..0..0
..0..1..0..0..1..1..1. .0..1..0..1..0..0..1. .0..1..0..0..1..1..1
..0..0..0..1..1..0..0. .0..0..0..1..1..0..1. .0..0..0..0..0..1..0
..0..1..0..1..1..0..1. .0..1..0..0..1..0..0. .0..1..1..1..1..1..0
..0..1..1..0..0..1..0. .0..1..1..0..1..0..1. .0..1..0..0..1..0..1
CROSSREFS
Cf. A316511.
Sequence in context: A305021 A316685 A304766 * A317464 A035852 A214486
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 05 2018
STATUS
approved