1/128 the number of (n+2)X(n+2) binary arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace.
A185857
1/128 the number of (n+2)X(n+2) binary arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace.
Terms
- a(0) =4a(1) =164a(2) =13662a(3) =2306566a(4) =791291609a(5) =573531587857
External references
- oeis: A185857