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A205263
Number of (n+2)X9 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..1 introduced in row major order
1
44989988, 16618559061, 6206887994602, 2306771728514169, 857047765548288466, 318538318082592159576, 118390237532638666425606, 44000626228588774560866297, 16353210105219251396525765791
OFFSET
1,1
COMMENTS
Column 7 of A205264
LINKS
EXAMPLE
Some solutions for n=1
..0..1..1..0..1..0..1..0..1....0..1..0..0..0..1..0..0..0
..0..0..0..1..1..0..0..0..1....1..1..1..1..1..0..0..1..1
..0..0..0..1..1..1..0..0..0....1..1..0..0..0..0..1..0..0
CROSSREFS
Sequence in context: A049360 A130913 A213353 * A087534 A183747 A112444
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2012
STATUS
approved