Expansion of e.g.f. arctanh(x*cos(x)) (odd powers only).

A296730

Expansion of e.g.f. arctanh(x*cos(x)) (odd powers only).

Terms

    a(0) =1a(1) =-1a(2) =-31a(3) =-337a(4) =24705a(5) =2451679a(6) =-17936543a(7) =-42895630065

External references