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A298067
Number of nX5 0..1 arrays with every element equal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
1
0, 10, 63, 346, 3500, 33869, 302143, 2864336, 26751944, 252391947, 2375190984, 22353275541, 210569629366, 1983050153070, 18676294477362, 175899564780008, 1656665107768075, 15603005522145288, 146953930923136975
OFFSET
1,2
COMMENTS
Column 5 of A298070.
LINKS
EXAMPLE
Some solutions for n=6
..0..1..1..1..0. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..1..1
..0..0..1..0..0. .0..1..1..1..0. .0..1..1..0..0. .1..0..0..1..0
..0..1..1..1..0. .1..0..0..0..0. .0..0..0..1..0. .1..1..0..0..0
..1..0..0..1..0. .1..1..1..1..0. .0..1..1..0..0. .0..0..1..1..1
..0..1..0..1..0. .1..0..0..1..0. .1..1..0..1..1. .1..0..0..1..0
..0..0..1..0..0. .1..1..0..0..0. .1..0..0..0..1. .1..1..1..0..0
CROSSREFS
Cf. A298070.
Sequence in context: A077616 A145885 A093953 * A298716 A271754 A075755
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2018
STATUS
approved