oo ____ \ ` \ n / 2 \ \ (-1) *\x *n + 1/ / ----------------*(2*n + 1)! / 2*n + 1 /___, n = 0
Sum((((-1)^n*(x^2*n + 1))/(2*n + 1))*factorial(2*n + 1), (n, 0, oo))
oo ____ \ ` \ n / 2\ \ (-1) *\1 + n*x /*(1 + 2*n)! / --------------------------- / 1 + 2*n /___, n = 0
Sum((-1)^n*(1 + n*x^2)*factorial(1 + 2*n)/(1 + 2*n), (n, 0, 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