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A304949
Number of n X 5 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
1
1, 26, 29, 70, 189, 468, 1436, 3753, 11101, 32272, 92418, 274230, 805253, 2345558, 6905335, 20303773, 59562936, 175124330, 514790654, 1512660477, 4447015284, 13073925763, 38431032103, 112984194483, 332171099635, 976548107078
OFFSET
1,2
COMMENTS
Column 5 of A304952.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1. .0..0..1..0..0. .0..1..0..0..1. .0..1..1..1..0
..0..0..1..1..1. .1..1..0..1..1. .1..0..1..1..0. .0..1..0..0..1
..0..0..1..1..1. .0..1..0..1..0. .1..0..1..0..0. .1..0..0..1..1
..0..0..1..1..1. .0..0..1..0..0. .1..1..1..1..0. .0..1..0..0..1
..0..0..1..1..1. .1..1..1..1..1. .0..1..0..1..0. .0..1..1..1..0
CROSSREFS
Cf. A304952.
Sequence in context: A055109 A106552 A106550 * A316617 A303815 A069962
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 22 2018
STATUS
approved