Number of (n+1)X7 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.
A186138
Number of (n+1)X7 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.
Terms
- a(0) =1304424a(1) =297562572a(2) =71683161894
External references
- oeis: A186138