Expansion of e.g.f. exp((g^3 - 1)/3), where g = 1+x*g^3 is the g.f. of A001764.
A391557
Expansion of e.g.f. exp((g^3 - 1)/3), where g = 1+x*g^3 is the g.f. of A001764.
Terms
- a(0) =1a(1) =1a(2) =9a(3) =135a(4) =2865a(5) =78981a(6) =2684721a(7) =108655779a(8) =5106054465a(9) =273406908105
External references
- oeis: A391557