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A186791
Half the number of (n+2)X6 binary arrays with each 3X3 subblock having a sum in 2..7
1
115069, 6687805, 387763760, 22495797451, 1304974153960, 75702797880635, 4391582264258067, 254759386224257430, 14778806361675616311, 857331004466757829463, 49734493514935420081553, 2885139849983393846466620
OFFSET
1,1
COMMENTS
Column 4 of A186796
LINKS
EXAMPLE
Some solutions for 4X6 with a(1,1)=0
..0..0..0..1..0..0....0..0..1..0..0..1....0..0..1..0..0..1....0..0..0..1..0..0
..0..0..1..0..1..1....0..0..1..1..0..0....0..0..1..1..0..1....0..0..1..1..0..1
..0..1..1..0..0..0....0..0..1..1..0..1....0..0..1..0..1..1....0..1..1..0..0..1
..0..0..0..1..1..1....0..1..1..1..0..0....0..0..0..1..0..0....0..0..0..1..0..0
CROSSREFS
Sequence in context: A254487 A253859 A237692 * A069245 A215995 A183649
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved