65222436072domain: NAppears in sequences1/729 the number of (n+2) X 3 0..2 arrays with no 3 X 3 subblock trace equal to any horizontal or vertical neighbor 3 X 3 subblock trace.at n=7A1858831/729 the number of (n+2)X10 0..2 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace.at n=0A185890