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A186819
Half the number of (n+2)X5 binary arrays with each 3X3 subblock having sum 4 or 5
1
2904, 25808, 222632, 2009622, 18829218, 175882357, 1653336285, 15639380661, 147826932337, 1399067559974, 13257222778967, 125596828357521, 1190237476340344, 11282323553231805, 106939751216903914
OFFSET
1,1
COMMENTS
Column 3 of A186825
LINKS
EXAMPLE
Some solutions for 4X5 with a(1,1)=0
..0..1..0..0..1....0..0..1..1..0....0..1..1..0..1....0..0..1..0..1
..1..1..0..1..1....1..1..0..0..1....0..1..0..0..1....0..0..1..0..0
..0..0..1..0..0....1..0..0..1..1....1..1..0..1..0....0..1..1..0..0
..0..0..1..0..1....0..1..0..1..1....1..0..1..0..1....0..0..1..0..1
CROSSREFS
Sequence in context: A207533 A054828 A153412 * A247317 A236742 A254183
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2011
STATUS
approved