Expand sin x / exp x = x-x^2+x^3/3-x^5/30+... and invert nonzero coefficients.

A007415

Expand sin x / exp x = x-x^2+x^3/3-x^5/30+... and invert nonzero coefficients.

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =3a(4) =0a(5) =-30a(6) =90a(7) =-630a(8) =0a(9) =22680a(10) =-113400a(11) =1247400a(12) =0a(13) =-97297200a(14) =681080400a(15) =-10216206000a(16) =0a(20) =0a(24) =0

External references