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A199652
Number of nX5 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors
1
41, 8037, 1357484, 230693158, 39209840355, 6663970316970, 1132589231853096, 192491652879392515, 32715334199617664326, 5560205218374521415185, 944996676143473092852595, 160608949278619262130353064
OFFSET
1,1
COMMENTS
Column 5 of A199655
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..1....0..0..0..0..0....0..0..0..1..2....0..0..0..0..0
..0..1..1..2..2....0..1..1..1..1....1..1..2..1..2....1..2..2..1..1
..0..2..2..2..0....2..1..2..2..0....1..0..2..2..1....0..2..1..2..2
CROSSREFS
Sequence in context: A160477 A221344 A325481 * A241111 A198713 A208319
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 08 2011
STATUS
approved