Expansion of l.g.f. Sum_{n>=1} [ Sum_{k>=0} C(n+k-1,k)^4 *x^k ] *x^n/n.
A181069
Expansion of l.g.f. Sum_{n>=1} [ Sum_{k>=0} C(n+k-1,k)^4 *x^k ] *x^n/n.
Terms
- a(0) =1a(1) =3a(2) =28a(3) =275a(4) =3126a(5) =37632a(6) =475056a(7) =6192531a(8) =82754650a(9) =1127504378a(10) =15603575208a(11) =218727171104
External references
- oeis: A181069