Expansion of e.g.f. sin(x*tan(x/2)) (even powers only).

A296841

Expansion of e.g.f. sin(x*tan(x/2)) (even powers only).

Terms

    a(0) =0a(1) =1a(2) =1a(3) =-12a(4) =-193a(5) =-2365a(6) =-18552a(7) =500689a(8) =48649969a(9) =2981261772a(10) =169237306055

External references