G.f. A(x) satisfies: A(x+x^2) = A(x)^2/(1+x)^2.
A122939
G.f. A(x) satisfies: A(x+x^2) = A(x)^2/(1+x)^2.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =17a(5) =70a(6) =390a(7) =2776a(8) =24042a(9) =244864a(10) =2862185a(11) =37715474a(12) =552685976a(13) =8910951840a(14) =156709821779
External references
- oeis: A122939