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A204537 Number of (n+2)X6 0..3 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..3 introduced in row major order 0

%I #4 Mar 31 2012 12:37:02

%S 1303179,87110239,6010070946,175609133220,9923132759682,

%T 606353019953160,23212131642621154,1204224497859040991

%N Number of (n+2)X6 0..3 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..3 introduced in row major order

%C Column 4 of A204538

%e Some solutions for n=3

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

%e ..3..3..3..1..1..0....2..3..0..0..2..2....0..0..0..0..0..0....2..3..0..1..2..1

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

%e ..2..3..3..3..1..0....1..1..0..3..2..2....3..3..3..0..3..1....0..0..0..0..0..0

%e ..3..3..3..0..1..0....3..2..0..1..2..2....1..1..1..1..1..1....1..1..1..1..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 16 2012

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)