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A296154
Number of nX5 0..1 arrays with each 1 adjacent to 3 or 5 king-move neighboring 1s.
1
1, 12, 34, 91, 341, 1150, 3775, 12798, 43185, 146144, 496975, 1685293, 5733213, 19630054, 67034730, 229187984, 789025247, 2711161293, 9321029923, 32243259039, 111388360866, 385009855193, 1337512050410, 4642429370845, 16123380213682
OFFSET
1,2
COMMENTS
Column 5 of A296157.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..0..0..0. .0..1..1..0..0. .0..0..0..0..0. .0..0..0..1..1
..0..1..1..0..0. .1..0..1..1..1. .0..0..0..1..1. .0..0..0..1..1
..0..1..1..0..0. .1..1..0..1..1. .0..0..0..1..1. .0..0..0..1..1
..0..0..0..0..0. .0..1..1..0..0. .0..0..0..0..0. .1..1..0..1..1
..0..0..0..0..0. .0..0..0..0..0. .0..1..1..0..0. .1..1..0..1..1
..1..1..0..0..0. .0..1..1..0..0. .0..1..1..0..0. .0..0..0..0..0
..1..1..0..0..0. .0..1..1..0..0. .0..0..0..0..0. .0..0..0..0..0
CROSSREFS
Cf. A296157.
Sequence in context: A142245 A139635 A124705 * A126366 A199114 A009760
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2017
STATUS
approved