oo ___ \ ` \ (cos(n))! ) ---------*(n + 1) / n /__, n = 1
Sum((factorial(cos(n))/n)*(n + 1), (n, 1, oo))
oo ___ \ ` \ (1 + n)*(cos(n))! ) ----------------- / n /__, n = 1
Sum((1 + n)*factorial(cos(n))/n, (n, 1, oo))
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