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

A012495

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

Terms

    a(0) =1a(1) =-2a(2) =20a(3) =-632a(4) =39440a(5) =-4087712a(6) =634237760a(7) =-137605112192

External references