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Number of (n+1)X8 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant
0

%I #4 Mar 31 2012 12:36:05

%S 10317234,7226974262,5709526227226,4470558553054728,

%T 3465746156847016348

%N Number of (n+1)X8 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant

%C Column 7 of A186536

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 23 2011