Number of cycles in all partial functions on {1,2,...,n}.
A216534
Number of cycles in all partial functions on {1,2,...,n}.
Terms
- a(0) =0a(1) =1a(2) =7a(3) =62a(4) =696a(5) =9564a(6) =156115a(7) =2957072a(8) =63822024a(9) =1547005920a(10) =41624943383
External references
- oeis: A216534