G.f.: V(x)^(1/4), where V(x) = Sum_{n >= 0} A065409(n)*x^n.
A060042
G.f.: V(x)^(1/4), where V(x) = Sum_{n >= 0} A065409(n)*x^n.
Terms
- a(0) =1a(1) =2a(2) =30a(3) =420a(4) =5766a(5) =79356a(6) =1105868a(7) =15656200a(8) =225102726a(9) =3280346476a(10) =48334394756a(11) =718513364856
External references
- oeis: A060042