E.g.f. tan(sin(x))*x, even numbered terms only.

A009667

E.g.f. tan(sin(x))*x, even numbered terms only.

Terms

    a(0) =0a(1) =2a(2) =4a(3) =-18a(4) =-856a(5) =-10950a(6) =502764a(7) =42386918a(8) =552455120a(9) =-212988964878

External references