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A299320
Number of nX7 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
1
1, 22, 434, 1557, 38035, 473924, 7885194, 132676384, 2249698337, 39854864168, 700615705103, 12435929820498, 221099245989227, 3935763610862580, 70136675735762945, 1250168095233297669, 22291499935243883463
OFFSET
1,2
COMMENTS
Column 7 of A299321.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1..1..1. .0..1..1..1..0..1..1. .0..1..1..1..0..0..1
..1..1..0..0..1..1..1. .1..1..0..1..1..1..1. .1..1..1..1..0..0..0
..0..1..0..0..1..0..0. .1..1..1..1..0..0..0. .1..1..1..0..0..0..1
..1..1..1..1..0..0..0. .0..0..1..0..0..0..0. .0..0..0..0..1..0..0
..0..1..1..1..0..0..0. .0..0..0..0..1..0..1. .0..0..1..0..0..0..0
CROSSREFS
Cf. A299321.
Sequence in context: A183539 A269540 A095219 * A014904 A353105 A036905
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2018
STATUS
approved