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

A302542

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

Terms

    a(0) =1a(1) =1a(2) =29a(3) =-139a(4) =31737a(5) =-1824151a(6) =313750293a(7) =-51584719523

External references