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A183671
Number of (n+1)X9 0..6 arrays with every 2x2 subblock summing to 12
0
64979929, 129463663, 311907001, 870960607, 2719942729
OFFSET
1,1
COMMENTS
Column 8 of A183672
EXAMPLE
Some solutions for 3X9
..0..4..0..6..0..6..1..6..2....0..6..0..5..0..5..3..2..0
..3..5..3..3..3..3..2..3..1....4..2..4..3..4..3..1..6..4
..0..4..0..6..0..6..1..6..2....0..6..0..5..0..5..3..2..0
CROSSREFS
Sequence in context: A164725 A164726 A237157 * A237339 A224589 A224590
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2011
STATUS
approved