50 ___ \ ` \ n - 1 ) ----- / n /__, n = 1
Sum((n - 1)/n, (n, 1, 50))
141008987635075780359241 ------------------------ 3099044504245996706400
141008987635075780359241/3099044504245996706400
x^n/n
(x-1)^n
1/2^(n!)
n^2/n!
x^n/n!
k!/(n!*(n+k)!)
csc(n)^2/n^3
1/n^2
1/n^4
1/n^6
1/n
(-1)^n
(-1)^(n + 1)/n
(n + 2)*(-1)^(n - 1)
(3*n - 1)/(-5)^n
(-1)^(n - 1)*n/(6*n - 5)
(-1)^(n + 1)/n*x^n
(3*n - 1)/(-5)^n