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A205413 Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order 0

%I #4 Mar 31 2012 12:37:06

%S 14452683,768581101,45661264026,1715387177450,98445276297551

%N Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order

%C Column 6 of A205415

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 26 2012

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)