Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having zero or two 1s.
A251217
Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having zero or two 1s.
Terms
- a(0) =631a(1) =5569a(2) =50912a(3) =502971a(4) =4907873a(5) =48781920a(6) =482274751a(7) =4791965557a(8) =47523048960a(9) =471984045011
External references
- oeis: A251217