G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x/2)^n * (A(x)^n + (-1)^n)^n.
A360949
G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x/2)^n * (A(x)^n + (-1)^n)^n.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =50a(4) =376a(5) =3124a(6) =27804a(7) =260496a(8) =2539616a(9) =25556330a(10) =263922884a(11) =2785341186a(12) =29948035032a(13) =327315887046
External references
- oeis: A360949