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A183481
Number of nX7 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors
0
37, 5751, 58333, 1942323, 107741253, 2519745049, 84056287173
OFFSET
1,1
COMMENTS
Column 7 of A183483
EXAMPLE
Some solutions for 4X7
..0..0..0..1..1..0..2....0..0..0..0..2..1..0....0..0..1..0..2..2..0
..0..0..0..1..0..0..2....0..0..0..0..2..1..0....0..0..1..0..0..0..0
..0..1..0..0..2..0..0....0..0..0..0..0..0..0....0..0..0..0..1..0..0
..0..1..0..2..2..0..0....0..0..0..0..0..2..2....0..1..1..0..1..0..0
CROSSREFS
Sequence in context: A153166 A153168 A195215 * A295415 A202801 A226307
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved