Permanent of the n-th principal submatrix of A204260.
A204261
Permanent of the n-th principal submatrix of A204260.
Terms
- a(0) =1a(1) =2a(2) =13a(3) =104a(4) =1357a(5) =22052a(6) =555325a(7) =17622590a(8) =680239111a(9) =31511481788
External references
- oeis: A204261