G.f. satisfies: A(x) = Sum_{n>=0} x^n * (2*A(x)^n - 1)^n.
A203014
G.f. satisfies: A(x) = Sum_{n>=0} x^n * (2*A(x)^n - 1)^n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =15a(4) =93a(5) =655a(6) =5025a(7) =40995a(8) =350665a(9) =3116083a(10) =28588541a(11) =269632839a(12) =2606374433a(13) =25766661303a(14) =260133432037
External references
- oeis: A203014