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A204953
Number of (n+2)X9 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..2 introduced in row major order
0
108053748, 5530809140, 310518886748, 13020576504578, 852919335897276
OFFSET
1,1
COMMENTS
Column 7 of A204954
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..1..1..2..2....0..0..0..1..0..2..2..0..1
..2..2..2..1..1..1..1..0..2....2..1..2..1..1..2..2..0..1
..2..0..0..0..0..0..1..1..1....1..1..1..1..1..2..2..1..1
..1..1..1..1..1..0..1..1..0....0..0..0..0..1..1..2..2..1
..1..1..1..0..1..0..0..1..2....2..0..2..0..1..1..2..2..1
CROSSREFS
Sequence in context: A185930 A184572 A184783 * A205414 A208090 A165698
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2012
STATUS
approved