login
A316582
Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
1
8, 4184, 25271, 634867, 11450072, 209344758, 4227286531, 79708721021, 1560689236544, 30135348185417, 583386750149395, 11308476165531835, 218830109654585064, 4239285443425028198, 82084075926813940322
OFFSET
1,1
COMMENTS
Column 7 of A316583.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..1..1. .0..0..0..0..1..0..0. .0..0..0..1..1..0..1
..0..1..0..0..0..0..1. .0..1..0..1..0..1..0. .0..1..0..1..1..1..0
..0..0..0..1..0..0..0. .0..0..0..0..0..0..0. .0..0..0..1..1..1..0
..0..0..0..0..1..1..0. .0..0..0..0..0..0..0. .0..0..0..1..0..1..0
..1..1..1..0..1..1..1. .0..1..1..1..1..1..0. .1..0..1..1..1..1..1
CROSSREFS
Cf. A316583.
Sequence in context: A303895 A305287 A304900 * A304596 A316382 A306142
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 07 2018
STATUS
approved