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A316739
Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
8, 346, 1219, 1124, 75856, 625739, 1906293, 44561267, 422993842, 2539600147, 33711145569, 331084966219, 2630126872937, 28405473469627, 277468107061640, 2468954376951486, 24732249716697144, 239659403403154971
OFFSET
1,1
COMMENTS
Column 7 of A316740.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..1..0. .0..1..0..0..0..1..1. .0..1..1..1..0..1..1
..0..1..0..0..1..1..0. .1..1..0..0..1..0..0. .1..1..0..1..0..0..1
..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .1..0..1..1..1..1..1
..0..1..0..0..1..0..0. .0..1..0..1..0..1..0. .0..1..1..0..1..1..1
..0..0..0..1..1..0..1. .1..1..0..0..0..0..0. .0..1..1..0..0..1..0
CROSSREFS
Cf. A316740.
Sequence in context: A304148 A305488 A305088 * A079485 A193504 A158363
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 11 2018
STATUS
approved