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A260474
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101
1
1716, 5891, 36254, 161176, 839073, 4771920, 24138984, 123310754, 662480793, 3462881003, 17901457898, 94193468029, 494253218713, 2575427089930, 13479058203992, 70635679978670, 369192210644796, 1930772613998630
OFFSET
1,1
COMMENTS
Column 7 of A260475
FORMULA
Empirical recurrence of order 65 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..1..0..1
..0..0..0..0..1..0..0..0..0....0..0..0..0..0..0..0..0..0
..1..0..0..0..0..0..0..0..0....0..0..0..1..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..1..0..0..0..1..0....0..0..0..0..0..0..0..0..0
..1..0..0..0..0..0..0..0..1....1..0..0..0..0..0..1..0..0
CROSSREFS
Sequence in context: A024408 A267741 A185795 * A222343 A318628 A194719
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 26 2015
STATUS
approved