Expansion of e.g.f. exp(g^3 - 1), where g = 1+x*g^2 is the g.f. of A000108.
A391543
Expansion of e.g.f. exp(g^3 - 1), where g = 1+x*g^2 is the g.f. of A000108.
Terms
- a(0) =1a(1) =3a(2) =27a(3) =357a(4) =6201a(5) =133083a(6) =3395619a(7) =100313181a(8) =3365491761a(9) =126353541843
External references
- oeis: A391543