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A184561
Number of (n+1)X7 0..2 arrays with no 2X2 subblock summing to less than 4
1
603249, 390354307, 203570564774, 115000791536877, 63392707611948281, 35245029137091490532, 19540724845064600039882, 10844219595929643673506107, 6016136514697924805072162487, 3337980836583341810657426070927
OFFSET
1,1
COMMENTS
Column 6 of A184564
LINKS
EXAMPLE
Some solutions for 3X7
..0..0..0..2..0..2..0....0..0..0..2..1..1..2....0..0..0..2..0..2..2
..2..2..2..0..2..2..0....2..2..2..0..2..2..0....2..2..2..0..2..1..2
..2..0..0..2..0..1..1....1..0..2..1..1..1..2....0..0..1..2..2..2..0
CROSSREFS
Sequence in context: A238310 A237471 A251070 * A321705 A351721 A340924
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 17 2011
STATUS
approved