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A298228
Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
1
13, 112, 100, 2606, 7038, 110320, 1166270, 10448313, 136604409, 1503351175, 16286627637, 194230966568, 2198476953879, 24700789917927, 286624459000212, 3264613409193272, 37095755700798148, 426284736792747449
OFFSET
1,1
COMMENTS
Column 6 of A298230.
LINKS
EXAMPLE
Some solutions for n=6
..0..0..1..1..0..0. .0..1..0..0..0..0. .0..1..0..0..0..1. .0..1..0..0..0..0
..0..0..1..1..1..1. .1..1..1..1..0..0. .0..1..0..0..1..0. .1..0..0..1..0..0
..1..1..0..1..0..0. .1..1..0..1..1..0. .1..1..1..0..1..1. .1..1..0..0..1..1
..1..1..0..0..0..0. .0..0..1..1..0..1. .0..1..0..0..1..0. .1..1..0..0..1..1
..0..1..0..1..1..1. .0..0..1..0..0..0. .1..1..0..1..1..1. .0..0..1..0..1..0
..0..1..0..1..1..1. .1..0..0..1..0..0. .0..1..1..0..1..0. .0..0..0..0..0..1
CROSSREFS
Cf. A298230.
Sequence in context: A021344 A119744 A295204 * A298152 A299126 A299884
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2018
STATUS
approved