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A296989
Number of n X 7 0..1 arrays with each 1 adjacent to 3, 4 or 5 king-move neighboring 1's.
1
1, 77, 1653, 12601, 639327, 26724927, 702794334, 24416753991, 892243428330, 29462787050221, 998361846643570, 34570695463676885, 1178226645017158477, 40142564452672581992, 1374478845809683086730, 46978226057419131275321
OFFSET
1,2
COMMENTS
Column 7 of A296990.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1..1. .0..0..0..1..1..0..0. .0..0..0..0..0..1..1
..0..0..0..0..0..1..1. .0..1..1..0..1..1..0. .0..0..1..0..0..1..1
..0..1..1..0..1..0..1. .0..1..1..0..1..1..1. .1..1..1..1..0..1..1
..0..1..1..1..1..1..0. .0..0..1..1..0..1..0. .1..1..0..1..1..0..0
CROSSREFS
Cf. A296990.
Sequence in context: A217643 A205603 A073931 * A105253 A339248 A219126
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 22 2017
STATUS
approved