E.g.f. satisfies A(x) = 1/(1 + 2*log(1 - x*A(x)^2)).

A371297

E.g.f. satisfies A(x) = 1/(1 + 2*log(1 - x*A(x)^2)).

Terms

    a(0) =1a(1) =2a(2) =26a(3) =676a(4) =26852a(5) =1443888a(6) =98183024a(7) =8083614880a(8) =781958648448

External references