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A204952
Number of (n+2)X8 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
14289768, 523821125, 21551078590, 691810208216, 31154215435107
OFFSET
1,1
COMMENTS
Column 6 of A204954
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..1..2..2....0..1..1..0..1..2..0..0....0..0..0..1..2..1..2..1
..0..0..1..2..0..0..2..2....0..0..0..0..0..0..0..0....1..0..1..1..0..2..2..1
..2..0..1..1..0..0..2..2....2..1..0..0..2..2..2..0....2..0..1..1..1..1..2..1
..2..0..1..1..0..0..1..2....2..2..2..2..2..2..0..0....1..0..1..2..2..2..2..1
..2..1..1..0..1..0..0..2....0..0..0..0..0..2..0..0....0..0..1..0..0..1..2..1
CROSSREFS
Sequence in context: A034634 A014497 A237141 * A210019 A111346 A238080
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2012
STATUS
approved