33025492domain: NAppears in sequences1/128 the number of (n+2) X 4 binary arrays with no 3 X 3 subblock trace equal to any horizontal or vertical neighbor 3 X 3 subblock trace.at n=7A1858591/128 the number of (n+2)X10 binary arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace.at n=1A185865