A203490 - OEIS

%I #4 Mar 31 2012 12:36:57

%S 192,134412,59683122,24148894412,9532999874792

%N Number of nX7 0..2 arrays with row sums equal and column sums unequal to adjacent columns

%C Column 7 of A203491

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 02 2012