E.g.f. satisfies: A(x) = 1/(1 - tan( x*A(x) )).

A201594

E.g.f. satisfies: A(x) = 1/(1 - tan( x*A(x) )).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =32a(4) =384a(5) =6176a(6) =124928a(7) =3049472a(8) =87265280a(9) =2865848320a(10) =106258440192

External references