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A283695
Number of 5Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors.
1
32, 768, 8732, 150497, 2530461, 39372084, 640543058, 10379232484, 166925170079, 2696954750091, 43549341162990, 702716323367054, 11344436592182841, 183127943610966121, 2955951560151219703, 47715653906479391181
OFFSET
1,1
COMMENTS
Row 5 of A283691.
FORMULA
Empirical recurrence of order 56 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..1..0. .1..0..1..0. .0..0..1..1. .0..0..0..1. .1..0..0..0
..1..1..0..0. .0..1..0..1. .1..0..1..0. .0..1..0..1. .1..0..1..0
..0..1..0..0. .0..0..0..0. .1..0..1..0. .0..1..0..0. .1..0..0..0
..0..0..0..1. .0..1..0..1. .1..0..0..1. .0..0..0..1. .0..0..0..1
..0..1..1..0. .1..0..1..0. .1..0..1..1. .1..1..0..0. .1..1..0..0
CROSSREFS
Cf. A283691.
Sequence in context: A284227 A297371 A144135 * A283127 A295713 A087423
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2017
STATUS
approved