M000288

$$\pi=\frac{472353390728}{5}\arctan\left(\frac{1}{121409547033}\right)+\frac{273539330488}{5}\arctan\left(\frac{1}{138873731225}\right)+\frac{110996578872}{5}\arctan\left(\frac{1}{202954204459}\right)+\frac{569310248968}{5}\arctan\left(\frac{1}{218123852367}\right)\frac{-347719321352}{5}\arctan\left(\frac{1}{250645741818}\right)\frac{-40578051456}{5}\arctan\left(\frac{1}{261002206018}\right)+\frac{926844360408}{5}\arctan\left(\frac{1}{261217252912}\right)+\frac{414703271992}{5}\arctan\left(\frac{1}{269007136889}\right)+\frac{938441515636}{5}\arctan\left(\frac{1}{548275361132}\right)+\frac{403857761856}{5}\arctan\left(\frac{1}{656902304557}\right)+\frac{1185658041536}{5}\arctan\left(\frac{1}{1372432573478}\right)+\frac{415920242872}{5}\arctan\left(\frac{1}{1944056438568}\right)\frac{-1089868197264}{5}\arctan\left(\frac{1}{3761284561432}\right)\frac{-210326432988}{5}\arctan\left(\frac{1}{5142102426318}\right)+\frac{331508021756}{5}\arctan\left(\frac{2}{13078246979509}\right)\frac{-378549035268}{5}\arctan\left(\frac{1}{8589803519307}\right)+\frac{177353967504}{5}\arctan\left(\frac{1}{10892900268195}\right)+\frac{924232274588}{5}\arctan\left(\frac{1}{17780261434697}\right)\frac{-145987346996}{5}\arctan\left(\frac{1}{38759264489343}\right)+\frac{64608274812}{5}\arctan\left(\frac{1}{169838669284032}\right)\frac{-742624640396}{5}\arctan\left(\frac{1}{342036110675693}\right)+\frac{605486034668}{5}\arctan\left(\frac{1}{772654028018543}\right)+\frac{315074086692}{5}\arctan\left(\frac{1}{1948025182233307}\right)\frac{-300597684548}{5}\arctan\left(\frac{1}{1976865441422893}\right)$$