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A184498
1/12 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last
0
252, 4546, 50590, 425814, 3530858
OFFSET
1,1
COMMENTS
Diagonal of A184505
EXAMPLE
Some solutions with a(1,1)=0 for 4X4
..0..1..1..1....0..2..0..2....0..2..1..0....0..0..1..1....0..0..1..1
..2..2..2..0....0..0..1..0....2..1..2..2....0..0..1..1....1..0..2..1
..1..2..2..2....0..2..2..2....1..2..2..1....0..1..2..0....0..0..1..1
..1..1..0..0....0..2..0..2....2..0..1..2....1..1..1..0....0..0..1..1
CROSSREFS
Sequence in context: A027815 A271496 A218418 * A169713 A099059 A151610
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 16 2011
STATUS
approved