login
A299520
Number of nX7 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
1, 22, 132, 476, 5869, 89125, 902141, 12982595, 174024827, 2513147146, 35812535764, 514825664193, 7444094395717, 107716750932920, 1560267702776647, 22616336874366328, 327901784821420818, 4755230232057409078
OFFSET
1,2
COMMENTS
Column 7 of A299521.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..1. .0..1..0..1..1..0..0. .0..0..1..0..0..1..1
..0..0..0..1..1..0..0. .1..1..1..1..1..0..0. .0..0..0..0..0..1..1
..1..0..1..1..1..0..0. .1..0..1..0..1..1..0. .1..1..1..1..1..1..1
..0..0..1..1..0..0..0. .1..1..1..1..1..0..0. .1..1..1..1..0..0..0
..1..0..0..0..0..0..1. .0..1..0..1..1..0..0. .1..1..1..1..0..0..0
CROSSREFS
Cf. A299521.
Sequence in context: A249302 A095694 A233060 * A003778 A254698 A041936
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2018
STATUS
approved