Expansion of x*cos(sin(x)), odd terms only.

A009042

Expansion of x*cos(sin(x)), odd terms only.

Terms

    a(0) =1a(1) =-3a(2) =25a(3) =-259a(4) =4113a(5) =-89859a(6) =2452905a(7) =-82466115a(8) =3364642465a(9) =-162289204995

External references