G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x).
A145158
G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =121a(5) =1143a(6) =12570a(7) =154551a(8) =2072547a(9) =29829412a(10) =455731327a(11) =7332989616a(12) =123548350018
External references
- oeis: A145158