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A187312
Half the number of (n+2)X6 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6
1
71836, 3029032, 125103786, 5243407780, 219684364642, 9206325629324, 385878307185440, 16174152113717987, 677941845846382141, 28416164592526303012, 1191073362353254969342, 49924255054152257493562
OFFSET
1,1
COMMENTS
Column 4 of A187317
LINKS
EXAMPLE
Some solutions for 4X6 with a(1,1)=0
..0..0..1..0..1..1....0..0..1..1..0..0....0..0..1..1..1..1....0..0..1..0..0..1
..0..1..1..0..1..1....0..1..0..0..1..0....0..0..0..1..1..0....0..1..1..1..1..0
..0..0..1..1..0..0....0..1..1..0..0..1....0..1..1..0..0..1....0..0..1..0..0..1
..0..0..0..0..1..1....0..0..0..1..1..1....0..0..1..0..0..0....0..1..1..0..1..1
CROSSREFS
Sequence in context: A097245 A025292 A025310 * A080477 A376469 A234330
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 08 2011
STATUS
approved