Permanent of (0,1)-matrix of size n X (n+d) with d=2 and n-1 zeros not on a line.
A090012
Permanent of (0,1)-matrix of size n X (n+d) with d=2 and n-1 zeros not on a line.
Terms
- a(0) =3a(1) =9a(2) =39a(3) =213a(4) =1395a(5) =10617a(6) =91911a(7) =890901a(8) =9552387a(9) =112203465a(10) =1432413063a(11) =19743404469a(12) =292164206259
External references
- oeis: A090012