Number of (n+1)X6 0..2 arrays with every 2X2 subblock having zero permanent.
A206469
Number of (n+1)X6 0..2 arrays with every 2X2 subblock having zero permanent.
Terms
- a(0) =7225a(1) =958441a(2) =23707161a(3) =1693734025a(4) =61244865529
External references
- oeis: A206469