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A305590
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
1
16, 192, 1626, 14746, 126484, 1103744, 9637513, 84163172, 735136189, 6422571506, 56111226377, 490221696524, 4282971493585, 37419778126289, 326932203835912, 2856373201213819, 24955879921633485, 218037437681244660
OFFSET
1,1
COMMENTS
Column 5 of A305593.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..1..1..1
..1..0..1..0..0. .0..0..1..1..0. .1..0..0..0..1. .1..1..0..1..1
..1..1..1..1..0. .1..0..1..0..0. .0..0..0..0..0. .1..1..1..0..0
..1..1..1..1..1. .1..1..1..1..1. .1..0..0..1..1. .1..0..0..0..0
..0..1..1..0..1. .1..0..1..1..0. .1..1..0..1..0. .1..0..0..1..0
CROSSREFS
Cf. A305593.
Sequence in context: A305773 A317122 A230832 * A232426 A317008 A365934
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 05 2018
STATUS
approved