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A316732
Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 99, 40, 25, 337, 42, 275, 6652, 3399, 8908, 160954, 203593, 486192, 4585409, 9222281, 23994611, 147546594, 384343255, 1092999534, 5199834676, 15601374407, 47419625605, 194578898512, 628086581739, 1998254845643, 7549906242628
OFFSET
1,2
COMMENTS
Column 7 of A316733.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0..1..0. .0..0..1..0..0..1..0. .0..1..0..1..1..0..0
..1..1..0..0..0..1..1. .1..1..0..1..1..0..1. .1..0..1..0..0..1..1
..0..0..0..0..0..0..0. .1..1..1..1..1..1..1. .1..1..1..1..1..1..1
..0..1..0..1..1..0..0. .1..1..0..0..1..0..0. .1..0..1..1..0..1..1
..1..0..0..0..0..1..1. .0..0..1..1..1..0..1. .0..1..1..0..0..1..1
CROSSREFS
Cf. A316733.
Sequence in context: A360376 A304140 A305046 * A033419 A110397 A298509
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 11 2018
STATUS
approved