G.f. satisfies: A(x) = 1 + x*d/dx log(1 + x*A(x)^2).
A159607
G.f. satisfies: A(x) = 1 + x*d/dx log(1 + x*A(x)^2).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =123a(5) =1221a(6) =14724a(7) =207908a(8) =3355803a(9) =60873595a(10) =1225319163a(11) =27097430328a(12) =653052022740
External references
- oeis: A159607