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A282861
Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.
1
81, 2028, 49471, 1369929, 35681883, 945547378, 25000646212, 660597156170, 17464365749979, 461623512113494, 12202233224208515, 322544923721567414, 8525895890487351554, 225367025047699642436, 5957177684230357360501
OFFSET
1,1
COMMENTS
Column 7 of A282862.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0..1..0..0. .0..0..0..0..1..0..0. .0..0..1..0..0..0..1
..0..0..0..0..0..0..1. .0..0..0..0..0..0..0. .1..0..0..1..1..0..1
..0..1..0..0..0..0..1. .1..1..0..0..1..0..1. .0..1..0..0..0..0..0
CROSSREFS
Cf. A282862.
Sequence in context: A037211 A238237 A350870 * A237376 A296577 A237316
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 23 2017
STATUS
approved