Expansion of e.g.f. exp((g^2 - 1)/2), where g = 1+x*g^3 is the g.f. of A001764.
A391556
Expansion of e.g.f. exp((g^2 - 1)/2), where g = 1+x*g^3 is the g.f. of A001764.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =112a(4) =2266a(5) =60266a(6) =1991416a(7) =78760648a(8) =3630762332a(9) =191265470236
External references
- oeis: A391556