Number of (n+1) X 4 0..3 arrays with every 2 X 2 subblock having zero permanent.
A206250
Number of (n+1) X 4 0..3 arrays with every 2 X 2 subblock having zero permanent.
Terms
- a(0) =1600a(1) =99856a(2) =1364224a(3) =49336576a(4) =944701696a(5) =27285753856a(6) =603269103616
External references
- oeis: A206250