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A260069
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111
1
5088, 13366, 42094, 89948, 185370, 660896, 1838884, 3846432, 10411860, 34278032, 85219868, 194549646, 586417692, 1722858971, 4107474218, 10494264900, 31635757784, 85184012548, 207122994200, 570030592938, 1645562710914
OFFSET
1,1
COMMENTS
Column 7 of A260070
LINKS
EXAMPLE
Some solutions for n=4
..1..0..0..1..1..0..0..1..1....0..0..1..0..0..1..0..0..1
..0..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
..1..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..1
..0..0..0..1..1..0..0..1..1....1..1..0..0..1..0..0..1..1
..0..0..0..1..1..0..0..0..0....0..0..0..0..1..0..0..0..1
CROSSREFS
Sequence in context: A271171 A116887 A034286 * A252143 A223400 A135842
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 14 2015
STATUS
approved