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A204313
Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order
0
15015804, 4174580535, 1225171069740, 322734860977140, 87856146496713616, 24056313371018644679
OFFSET
1,1
COMMENTS
Column 4 of A204314
EXAMPLE
Some solutions for n=3
..0..0..0..1..2..1....0..1..2..0..1..1....0..0..0..1..2..2....0..0..1..2..1..2
..2..2..0..0..0..2....2..1..1..0..1..2....2..1..2..1..0..2....1..0..2..1..1..1
..2..0..0..1..1..1....0..1..1..2..1..2....2..0..0..0..0..0....2..2..2..1..1..0
..2..2..2..2..2..2....2..2..1..2..2..2....1..1..1..2..2..2....1..2..2..1..2..2
..2..1..2..1..1..1....1..0..1..1..2..1....0..2..2..0..1..2....1..0..0..1..1..1
CROSSREFS
Sequence in context: A345120 A227286 A125565 * A186803 A221561 A221559
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved