Expansion of g.f.: ( Sum_{n>=0} (-3)^n*(2*n+1)*x^(n*(n+1)/2) )^(-1/3).
A193236
Expansion of g.f.: ( Sum_{n>=0} (-3)^n*(2*n+1)*x^(n*(n+1)/2) )^(-1/3).
Terms
- a(0) =1a(1) =3a(2) =18a(3) =111a(4) =765a(5) =5481a(6) =40581a(7) =306099a(8) =2342034a(9) =18108270a(10) =141176412a(11) =1108011312a(12) =8744143401a(13) =69325981191a(14) =551800999215
External references
- oeis: A193236