|-1 + n| ____ \ ` \ (2*n - 2*k)! \ ------------- / (n - 2*k)!*n! / 2 /___, k = 0
Sum(2^(factorial(2*n - 2*k)/((factorial(n - 2*k)*factorial(n)))), (k, 0, |-1 + n|))
/ c3 c2 | 2 *(1 + |-1 + n|) for 2 = 1 | | / 1 + |-1 + n|\ < c3 | / c2\ | |2 *\1 - \2 / / |--------------------------- otherwise | c2 \ 1 - 2
Piecewise((2^c3_*(1 + |-1 + n|), 2^c2_ = 1), (2^c3_*(1 - (2^c2_)^(1 + |-1 + n|))/(1 - 2^c2_), True))
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