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A261708
Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00000111.
1
628, 892, 1168, 734, 676, 1818, 984, 748, 1096, 1168, 880, 958, 2420, 1296, 1160, 2492, 2060, 1572, 1576, 3748, 2084, 1752, 3708, 2730, 2140, 2118, 4944, 2664, 2432, 5930, 3988, 3150, 2988, 6862, 3720, 3292, 7972, 5024, 4036, 3782, 8648, 4568, 4240, 11020
OFFSET
1,1
COMMENTS
Column 5 of A261709.
LINKS
FORMULA
Empirical: a(n) = 2*a(n-7) -2*a(n-21) +a(n-28) for n>34
EXAMPLE
Some solutions for n=7
..1..0..1..0..0..0..1....1..0..0..0..1..0..0....1..0..1..0..1..0..0
..0..0..0..0..0..1..0....1..1..0..0..0..0..0....0..1..0..0..0..0..0
..0..0..0..0..0..0..1....1..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..1..0..0..0..0....0..0..0..0..1..0..0....0..0..0..0..1..0..0
..0..0..0..1..0..0..1....1..0..0..1..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..0..0..0..0..0..0
..1..0..0..0..0..0..0....0..0..0..0..0..0..1....0..0..0..0..0..0..1
..1..1..0..0..1..0..0....0..0..1..0..0..1..0....0..0..1..0..0..1..0
..1..0..0..0..0..1..0....0..1..0..0..0..0..1....0..1..0..0..0..0..1
CROSSREFS
Cf. A261709.
Sequence in context: A224603 A345536 A345788 * A098261 A256937 A177421
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 28 2015
STATUS
approved