oo ____ \ ` \ / n\ \ atan(n)*\1 + (-1) / ) ------------------- / 3 / n + 2 /___, n = 1
Sum((atan(n)*(1 + (-1)^n))/(n^3 + 2), (n, 1, oo))
oo ____ \ ` \ / n\ \ \1 + (-1) /*atan(n) ) ------------------- / 3 / 2 + n /___, n = 1
Sum((1 + (-1)^n)*atan(n)/(2 + n^3), (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