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A259722
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000011
1
1388, 2330, 6092, 12198, 13920, 33846, 75200, 109360, 207144, 488034, 830840, 1412994, 3176940, 6111876, 10240848, 21086966, 43338672, 75819920, 144484316, 300543852, 556594492, 1021061570, 2072946252, 4012227308, 7345052712
OFFSET
1,1
COMMENTS
Column 7 of A259723
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0..0..1....0..0..0..1..1..0..0..0..1
..0..0..0..0..0..0..0..1..1....0..0..0..0..0..0..0..1..1
..0..1..0..0..1..0..0..0..0....1..0..0..0..0..0..0..0..0
..0..1..0..0..1..0..0..0..0....1..0..0..1..1..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..0..0..1..1....0..0..0..0..0..0..0..1..1
CROSSREFS
Sequence in context: A177884 A182123 A200971 * A253497 A253490 A253451
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 03 2015
STATUS
approved