Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having zero permanent.
A206249
Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having zero permanent.
Terms
- a(0) =361a(1) =8029a(2) =99856a(3) =1718209a(4) =26512201a(5) =434613664a(6) =6990799321a(7) =113636628469
External references
- oeis: A206249