G.f. satisfies: A(x) = 1 + x/A(-x*A(x)^12)^4.

A213103

G.f. satisfies: A(x) = 1 + x/A(-x*A(x)^12)^4.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =42a(4) =420a(5) =5779a(6) =83104a(7) =1306684a(8) =21283504a(9) =356648125a(10) =6100611232a(11) =105634585546

External references