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A187438 Number of (n+1)X7 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors 0

%I #4 Mar 31 2012 12:36:08

%S 3022484,3319295436,3677337022406,4086873166309438,4538075433355553643

%N Number of (n+1)X7 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors

%C Column 6 of A187441

%e Some solutions for 3X7

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 10 2011

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)