G.f. satisfies: A(x) = (1 + x*A(x)^3)^2.
A212071
G.f. satisfies: A(x) = (1 + x*A(x)^3)^2.
Terms
- a(0) =1a(1) =2a(2) =13a(3) =114a(4) =1150a(5) =12586a(6) =145299a(7) =1741844a(8) =21475146a(9) =270570300a(10) =3468352701a(11) =45089941936a(12) =593082894768
External references
- oeis: A212071