161 ______ \ ` \ / n n \ \ |/11\ /11\ | \ ||--| *|--| *11| \ |\20/ \20/ | ) |--------------| / n + 1 \ 20 / / (-1) *---------------- / 2 / 4*n - 1 /_____, n = 0
Sum((-1)^(n + 1)*((((11/20)^n*(11/20)^n)*11/20)/(4*n^2 - 1)), (n, 0, 161))
273570853668264206873599952706001696402964913460661762205221926671604071871962939576593463391559836069883040240310184910124392225466115838493645803994527335266821759083479015779977702416580160730201205196129921484426672831003781060106183324434630245254137677619347600245884569657123479420358218735835113279280446662646906087510319500714761675618313133390450348518683903415038440881760135614924752299406558764905437790347346767168040748818168161058946605254694285248280367884242938605741919284143937931152863638220120482805160822762378818893730358403411 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 454077112701273859524916918962953368058728051794398205606047000262291931309264506719792600827635263055049659577844424451159201345543636221857775693684343493668431982018969559251284763896935739689573684271893368733104564588668518400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
273570853668264206873599952706001696402964913460661762205221926671604071871962939576593463391559836069883040240310184910124392225466115838493645803994527335266821759083479015779977702416580160730201205196129921484426672831003781060106183324434630245254137677619347600245884569657123479420358218735835113279280446662646906087510319500714761675618313133390450348518683903415038440881760135614924752299406558764905437790347346767168040748818168161058946605254694285248280367884242938605741919284143937931152863638220120482805160822762378818893730358403411/454077112701273859524916918962953368058728051794398205606047000262291931309264506719792600827635263055049659577844424451159201345543636221857775693684343493668431982018969559251284763896935739689573684271893368733104564588668518400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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