G.f. satisfies A(x) = (1 + x) * (1 + x*A(x)^4).

A364337

G.f. satisfies A(x) = (1 + x) * (1 + x*A(x)^4).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =68a(4) =580a(5) =5406a(6) =53270a(7) =545844a(8) =5757332a(9) =62094217a(10) =681653493a(11) =7591431752a(12) =85558696024a(13) =974024788280

External references