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A298892
Number of nX5 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
0, 11, 4, 31, 219, 579, 1858, 8891, 34212, 128103, 538967, 2219296, 8764075, 36216096, 148454907, 602014960, 2469409541, 10115533795, 41307139499, 169152390705, 692711105743, 2833870255179, 11601723412009, 47502652641814
OFFSET
1,2
COMMENTS
Column 5 of A298895.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..0..1..1. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..1..1
..0..0..0..1..1. .0..1..1..1..0. .0..1..1..0..0. .0..0..1..1..1
..1..1..0..0..0. .0..1..0..1..0. .1..1..1..1..1. .0..0..1..1..1
..0..1..0..0..0. .0..0..1..0..0. .0..0..1..1..1. .1..1..1..0..0
..0..0..0..0..0. .1..1..1..1..1. .0..0..1..1..1. .1..1..0..1..0
..0..1..0..0..0. .1..1..1..0..1. .0..0..1..1..1. .1..1..0..1..1
..1..1..0..0..0. .1..1..1..0..0. .0..0..1..1..1. .1..1..0..0..1
CROSSREFS
Cf. A298895.
Sequence in context: A114267 A166205 A141240 * A038318 A010186 A097531
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 28 2018
STATUS
approved