Expansion of e.g.f. arctan(sin(x)) (odd powers only).

A012494

Expansion of e.g.f. arctan(sin(x)) (odd powers only).

Terms

    a(0) =1a(1) =-3a(2) =45a(3) =-1743a(4) =125625a(5) =-14554683a(6) =2473184805a(7) =-579439207623

External references