a(n) = n-th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).
A025134
a(n) = n-th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =24a(4) =256a(5) =6500a(6) =407700a(7) =64538880a(8) =26120421376
External references
- oeis: A025134