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A296394
Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 3 neighboring 1s.
1
9, 139, 1280, 14502, 159732, 1740403, 19142885, 209776696, 2301194495, 25237251699, 276785466405, 3035734743763, 33294250450804, 365158264017369, 4004894789690661, 43923943237475449, 481738909997954720
OFFSET
1,1
COMMENTS
Column 6 of A296396.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1..0. .1..1..0..0..1..0. .1..1..0..0..0..0. .0..1..0..0..1..1
..0..0..0..1..0..0. .0..0..0..1..0..1. .0..0..1..0..0..0. .0..1..1..0..0..0
..1..1..0..0..0..0. .1..0..0..0..0..1. .0..1..0..1..0..1. .1..0..0..0..0..0
..0..0..0..0..0..0. .1..1..0..0..0..0. .0..0..0..1..0..1. .0..0..1..0..0..0
..0..0..0..0..1..1. .1..1..1..0..0..0. .1..1..0..0..0..0. .0..1..0..1..1..0
CROSSREFS
Cf. A296396.
Sequence in context: A139760 A112702 A367426 * A367246 A322576 A350925
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2017
STATUS
approved