4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).
A025133
4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).
Terms
- a(0) =9a(1) =256a(2) =5825a(3) =117561a(4) =2229206a(5) =40645536a(6) =721957977a(7) =12587900665a(8) =216494284886
External references
- oeis: A025133