G.f. satisfies A(x) = exp( Sum_{n>=1} A(2*x^n)*x^n/n ).
A179470
G.f. satisfies A(x) = exp( Sum_{n>=1} A(2*x^n)*x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =15a(4) =138a(5) =2370a(6) =78532a(7) =5110472a(8) =659436845a(9) =169486506217
External references
- oeis: A179470