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A282836
Number of nX6 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly two elements.
1
5, 144, 6472, 151084, 2839946, 54433534, 957808843, 16264638662, 270202982809, 4371000525304, 69568601411141, 1090632666977090, 16882557250335414, 258594509077007924, 3924210683322859962, 59072104727759934516
OFFSET
1,1
COMMENTS
Column 6 of A282838.
FORMULA
Empirical recurrence of order 90 (see link above)
EXAMPLE
Some solutions for n=4
..0..1..0..0..0..1. .0..1..0..0..1..0. .0..0..1..0..0..0. .1..0..0..1..1..1
..0..1..0..0..1..0. .0..0..0..0..0..0. .0..0..1..0..1..0. .0..1..0..0..0..0
..1..0..0..0..1..0. .0..0..1..0..0..1. .1..0..1..0..1..0. .0..0..0..1..0..1
..0..0..0..0..0..0. .1..1..0..1..0..1. .1..0..0..0..0..1. .0..1..1..0..0..1
CROSSREFS
Cf. A282838.
Sequence in context: A208874 A222289 A134503 * A320414 A168041 A081322
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2017
STATUS
approved