E.g.f.: exp(Sum_{k>=1} binomial(2*k,k) * x^k).
A370326
E.g.f.: exp(Sum_{k>=1} binomial(2*k,k) * x^k).
Terms
- a(0) =1a(1) =2a(2) =16a(3) =200a(4) =3376a(5) =71552a(6) =1822144a(7) =54131072a(8) =1836436480a(9) =70016026112
External references
- oeis: A370326