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A297588
Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s.
1
1, 178, 3854, 17549, 171543, 3230902, 38609160, 348140132, 4059598106, 52019909493, 586271189408, 6378535786438, 74263762213809, 871302311717772, 9894632611196172, 112311237616769754, 1295286294924141697
OFFSET
1,2
COMMENTS
Row 7 of A297582.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0. .0..0..1..0..0. .0..0..0..1..1. .0..0..0..0..1
..0..0..0..1..0. .0..0..0..1..0. .0..0..0..0..0. .1..1..0..1..0
..0..0..0..0..0. .0..0..0..0..0. .0..1..0..1..0. .0..0..0..0..0
..1..0..0..0..0. .0..1..0..1..0. .0..1..1..0..0. .0..0..1..1..0
..1..1..1..0..0. .0..0..1..1..0. .0..1..0..0..1. .0..0..0..0..0
..1..0..0..0..0. .0..1..0..0..0. .0..0..0..1..1. .1..0..0..1..0
..0..0..0..0..0. .0..0..0..1..1. .0..0..1..0..1. .0..1..0..0..1
CROSSREFS
Cf. A297582.
Sequence in context: A297400 A297600 A296824 * A189440 A163730 A157842
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2018
STATUS
approved