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A299579
Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 9, 63, 126, 616, 2597, 10646, 56122, 291690, 1619418, 9531569, 56433590, 342408708, 2091962592, 12821206665, 78997049530, 487227596183, 3008177670538, 18591222770287, 114925741256105, 710646665777007, 4395164880188948
OFFSET
1,2
COMMENTS
Column 6 of A299581.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0. .0..0..1..0..0..1. .0..0..1..1..1..0. .0..0..0..0..1..1
..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..1..1..1..1. .0..0..0..0..1..1
..1..0..1..1..1..1. .0..0..0..0..0..0. .1..0..1..1..1..1. .1..1..1..1..1..0
..0..0..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..0..1..1
..0..0..1..1..1..0. .0..0..0..0..0..0. .0..0..1..0..0..0. .1..1..1..1..1..0
CROSSREFS
Cf. A299581.
Sequence in context: A337236 A285456 A085645 * A344526 A269641 A269410
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 13 2018
STATUS
approved