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A282646
Number of nX7 0..1 arrays with no 1 equal to more than one of its king-move neighbors.
1
81, 1444, 25153, 557439, 10614316, 213392087, 4257307148, 84514081303, 1685475197497, 33544066527869, 667927323468328, 13300345031547682, 264815719570028929, 5272968794893979347, 104992034881743428678
OFFSET
1,1
COMMENTS
Column 7 of A282647.
FORMULA
Empirical recurrence of order 66 (see link above)
EXAMPLE
Some solutions for n=3
..1..0..0..0..0..0..1. .0..0..1..0..1..0..0. .1..0..1..0..0..0..0
..0..0..1..0..0..0..0. .0..0..0..0..1..0..1. .0..0..0..0..0..0..0
..1..0..0..0..0..1..1. .0..0..0..0..0..0..0. .0..0..1..1..0..0..1
CROSSREFS
Cf. A282647.
Sequence in context: A253488 A236738 A236801 * A283542 A237771 A110921
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2017
STATUS
approved