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A296973
Number of nX7 0..1 arrays with each 1 adjacent to 2, 4 or 5 king-move neighboring 1s.
1
1, 323, 2958, 29590, 711867, 12662763, 222799447, 4440619952, 87137716095, 1708442840981, 34048678798399, 679037887566575, 13548991431561885, 270968659711631836, 5421703961198183535, 108504417044589648385
OFFSET
1,2
COMMENTS
Column 7 of A296974.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1..0..0. .0..0..1..1..1..1..0. .0..1..0..0..0..1..0
..0..1..0..1..1..1..0. .0..0..1..0..1..1..1. .0..1..1..0..1..1..0
..0..0..0..0..1..0..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..0..1..0. .0..0..1..0..0..1..0. .0..0..1..1..1..0..0
..0..0..0..0..1..1..0. .0..1..1..0..1..1..0. .0..0..0..1..1..1..0
CROSSREFS
Cf. A296974.
Sequence in context: A252452 A202610 A094394 * A213289 A094409 A253708
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 22 2017
STATUS
approved