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A184384
1/12 the number of (n+2)X9 0..2 arrays with each 3X3 subblock containing three of each value
0
1096781, 1165496, 1245641, 1348574, 1633604, 2168744, 3651098
OFFSET
1,1
COMMENTS
Column 7 of A184386
EXAMPLE
Some solutions with a(1,1)=0 for 4X9
..0..0..2..0..2..2..1..0..1....0..0..2..0..0..2..1..2..1
..0..1..1..1..1..1..0..2..2....0..2..1..1..2..2..0..1..2
..1..2..2..0..0..2..0..1..2....1..1..2..0..1..1..0..0..2
..0..0..2..0..2..2..1..0..1....0..0..2..0..0..2..1..2..1
CROSSREFS
Sequence in context: A172647 A172754 A268036 * A086212 A316481 A253619
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 12 2011
STATUS
approved