G.f. satisfies A(x) = B(x) + 5*A(x)^2 where B(A(x) - A(x)^2) = x.

A378258

G.f. satisfies A(x) = B(x) + 5*A(x)^2 where B(A(x) - A(x)^2) = x.

Terms

    a(0) =1a(1) =3a(2) =22a(3) =219a(4) =2530a(5) =31830a(6) =422652a(7) =5820099a(8) =82226522a(9) =1183598754a(10) =17277560996a(11) =254957527134

External references