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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

%I #4 Mar 31 2012 12:37:01

%S 15015804,4174580535,1225171069740,322734860977140,87856146496713616,

%T 24056313371018644679

%N 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

%C Column 4 of A204314

%e Some solutions for n=3

%e ..0..0..0..1..2..1....0..1..2..0..1..1....0..0..0..1..2..2....0..0..1..2..1..2

%e ..2..2..0..0..0..2....2..1..1..0..1..2....2..1..2..1..0..2....1..0..2..1..1..1

%e ..2..0..0..1..1..1....0..1..1..2..1..2....2..0..0..0..0..0....2..2..2..1..1..0

%e ..2..2..2..2..2..2....2..2..1..2..2..2....1..1..1..2..2..2....1..2..2..1..2..2

%e ..2..1..2..1..1..1....1..0..1..1..2..1....0..2..2..0..1..2....1..0..0..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 14 2012