n ___ \ ` \ 1 ) ----------------------------- / (2*k - 1)*(2*k + 1)*(2*k + 3) /__, k = 1
Sum(1/(((2*k - 1)*(2*k + 1))*(2*k + 3)), (k, 1, n))
n*(2 + n) --------------------- 3*(1 + 2*n)*(3 + 2*n)
n*(2 + n)/(3*(1 + 2*n)*(3 + 2*n))
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