a(n) = n*( a(n-1)+1 ), initialized by a(1) = -1.
A224869
a(n) = n*( a(n-1)+1 ), initialized by a(1) = -1.
Terms
- a(0) =-1a(1) =0a(2) =3a(3) =16a(4) =85a(5) =516a(6) =3619a(7) =28960a(8) =260649a(9) =2606500a(10) =28671511a(11) =344058144a(12) =4472755885a(13) =62618582404a(14) =939278736075
External references
- oeis: A224869