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A260283
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011
1
1428, 6351, 42175, 192277, 984644, 5588466, 28517537, 145143631, 777843590, 4078878260, 21079729187, 110757498595, 581658241064, 3031796383253, 15858732127947, 83115560494098, 434515129250969, 2272037726943800
OFFSET
1,1
COMMENTS
Column 7 of A260284
FORMULA
Empirical recurrence of order 75 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..1..0..0..0..0..1..1....0..0..1..0..0..0..0..0..0
..0..0..0..0..0..0..1..0..0....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..1..0..0..1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0
..1..0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0..0
..1..0..1..0..0..0..0..0..1....1..0..0..0..0..1..0..0..1
CROSSREFS
Sequence in context: A236897 A163589 A250582 * A156853 A292704 A321036
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 22 2015
STATUS
approved