E.g.f. 1/(1 - tan(3*x))^(1/3).

A235132

E.g.f. 1/(1 - tan(3*x))^(1/3).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =46a(4) =568a(5) =9976a(6) =203104a(7) =4995136a(8) =140343808a(9) =4493656576a(10) =160609429504

External references