Number of (n+1)X5 0..3 arrays with every 2X2 subblock having zero permanent.
A206251
Number of (n+1)X5 0..3 arrays with every 2X2 subblock having zero permanent.
Terms
- a(0) =9409a(1) =1718209a(2) =49336576a(3) =4556324929a(4) =226637884225
External references
- oeis: A206251