13 ___ \ ` \ 2/n + 1 \ ) sin |-----*n - 1| / \ 2 / /__, n = 1
Sum(sin(((n + 1)/2)*n - 1)^2, (n, 1, 13))
2 2 2 2 2 2 2 2 2 2 2 2 sin (2) + sin (5) + sin (9) + sin (14) + sin (20) + sin (27) + sin (35) + sin (44) + sin (54) + sin (65) + sin (77) + sin (90)
sin(2)^2 + sin(5)^2 + sin(9)^2 + sin(14)^2 + sin(20)^2 + sin(27)^2 + sin(35)^2 + sin(44)^2 + sin(54)^2 + sin(65)^2 + sin(77)^2 + sin(90)^2
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