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Number of nX7 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order
0

%I #4 Mar 31 2012 12:37:11

%S 52,62004,21916090,8094257014,2965468376203

%N Number of nX7 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order

%C Column 7 of A206389

%e Some solutions for n=4

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

%e ..4..3..5..6..3..4..5....4..3..5..4..6..5..0....3..4..5..3..6..4..1

%e ..1..6..4..1..0..6..1....1..2..6..0..1..3..6....1..2..6..4..2..3..5

%e ..2..0..3..5..2..3..4....3..4..1..5..2..0..4....4..3..0..5..1..6..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 07 2012