Expansion of (1-16*x)/(1-20*x+80*x^2).

A099841

Expansion of (1-16*x)/(1-20*x+80*x^2).

Terms

    a(0) =1a(1) =4a(2) =0a(3) =-320a(4) =-6400a(5) =-102400a(6) =-1536000a(7) =-22528000a(8) =-327680000a(9) =-4751360000a(10) =-68812800000a(11) =-996147200000

External references