G.f. A(x) satisfies: A(x) = exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^3 * x^k / k ).
A052755
G.f. A(x) satisfies: A(x) = exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^3 * x^k / k ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =15a(4) =79a(5) =466a(6) =2872a(7) =18409a(8) =121197a(9) =815491a(10) =5581214a(11) =38737651a(12) =272012178a(13) =1928939678a(14) =13794498614a(15) =99371002295a(16) =720411445866
External references
- oeis: A052755