G.f.: B(x)*B(x^2)*B(x^3)*..., where B(x) is g.f. of A000312.
A326986
G.f.: B(x)*B(x^2)*B(x^3)*..., where B(x) is g.f. of A000312.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =29a(4) =266a(5) =3163a(6) =46994a(7) =827107a(8) =16828741a(9) =388308078a(10) =10017853262a(11) =285720195351
External references
- oeis: A326986