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A283202
Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly one element.
1
0, 3668, 535025, 59065412, 5855079969, 544338609740, 48652102368973, 4230873205192882, 360562132072479325, 30256295239328989014, 2508097679937110326995, 205860067447150458787552
OFFSET
1,2
COMMENTS
Column 7 of A283203.
LINKS
EXAMPLE
Some solutions for n=2
..0..0..0..1..1..0..0. .0..0..1..0..0..0..0. .1..1..1..1..0..1..0
..1..1..0..1..1..1..1. .0..1..1..1..1..1..1. .0..1..0..1..0..0..1
CROSSREFS
Cf. A283203.
Sequence in context: A190923 A255088 A283732 * A365612 A205821 A250895
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 02 2017
STATUS
approved