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A186792
Half the number of (n+2)X7 binary arrays with each 3X3 subblock having a sum in 2..7
1
893145, 101532811, 11506373601, 1304974153960, 147985903265501, 16782289067411968, 1903184045712789082, 215829354195761109113, 24475987389818757238854, 2775683466530909270842129
OFFSET
1,1
COMMENTS
Column 5 of A186796
LINKS
EXAMPLE
Some solutions for 4X7 with a(1,1)=0
..0..0..0..1..0..1..0....0..0..0..0..1..1..1....0..0..0..1..0..1..0
..0..0..1..1..1..1..1....0..0..1..1..1..0..0....0..0..1..0..1..0..0
..0..0..1..0..0..0..1....0..0..1..0..1..0..1....0..0..1..1..0..1..1
..0..0..0..0..0..0..0....0..0..1..0..0..1..1....0..0..1..0..1..0..0
CROSSREFS
Sequence in context: A269219 A224594 A105379 * A345607 A346281 A032429
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved