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A283862
Number of 6Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors.
1
64, 4096, 137459, 5676420, 252014450, 10634931992, 449942735521, 19209358763197, 817866278279137, 34791382042043436, 1481097249523129267, 63049410171178969526, 2683638174949408013195, 114231024572454097056495
OFFSET
1,1
COMMENTS
Row 6 of A283857.
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0. .0..0..0. .0..0..0. .0..1..0. .0..0..0. .0..0..0. .0..0..1
..1..0..0. .1..0..1. .0..1..1. .0..1..0. .1..0..0. .1..0..1. .1..1..1
..0..0..1. .1..0..1. .0..1..1. .0..0..0. .1..0..0. .0..1..0. .0..0..0
..0..0..1. .0..1..1. .0..0..0. .0..0..0. .0..0..1. .0..0..1. .1..1..1
..1..0..0. .0..0..0. .1..0..1. .1..0..1. .1..0..1. .0..0..1. .0..0..0
..0..1..0. .1..1..1. .0..1..0. .0..1..1. .1..0..0. .1..0..1. .1..0..1
CROSSREFS
Cf. A283857.
Sequence in context: A189108 A223802 A297379 * A223567 A223580 A267971
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 17 2017
STATUS
approved