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A316208
Number of n X 7 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1
64, 1709, 13454, 139490, 1494780, 16731864, 189577494, 2170853960, 24994758941, 288650317449, 3339396914117, 38670537363103, 448048281271559, 5192799004809572, 60193696372468135, 697817225826066604
OFFSET
1,1
COMMENTS
Column 7 of A316209.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0..0..0. .0..0..1..1..0..0..1. .0..0..0..0..0..0..0
..0..0..0..1..0..0..1. .0..0..1..1..0..0..0. .0..0..1..0..1..0..1
..0..1..0..0..0..0..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..0..1..0. .0..0..0..1..0..0..0. .0..0..0..0..0..1..0
..0..0..0..0..1..1..1. .0..0..0..0..0..1..0. .0..0..1..0..1..1..1
CROSSREFS
Cf. A316209.
Sequence in context: A284340 A195807 A304309 * A305775 A317124 A305592
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 26 2018
STATUS
approved