Expansion of e.g.f. x*cos(sinh(x)) (odd powers only).
A009057
Expansion of e.g.f. x*cos(sinh(x)) (odd powers only).
Terms
- a(0) =1a(1) =-3a(2) =-15a(3) =21a(4) =1953a(5) =32461a(6) =77649a(7) =-18557595a(8) =-894805183a(9) =-21405607651a(10) =421226202033
External references
- oeis: A009057