1306629

Appears in sequences

• G.f. A(x) satisfies: A(x+x^2) = A(x)^2/(1+x).at n=10A122938
• G.f. satisfies: A(x) = (1 - 3*x*A(x)^2) * sqrt(4*A(x)^2 - 3).at n=7A231617