G.f. A(x) satisfies: A(x) = x*exp(Sum_{n>=1} Sum_{k>=1} n^k*a(n)^k*x^(n*k)/k).
A307724
G.f. A(x) satisfies: A(x) = x*exp(Sum_{n>=1} Sum_{k>=1} n^k*a(n)^k*x^(n*k)/k).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =3a(4) =12a(5) =64a(6) =402a(7) =2999a(8) =25100a(9) =236278a(10) =2444779a(11) =27725926a(12) =340761474a(13) =4522224643a(14) =64378645709a(15) =979609661544
External references
- oeis: A307724