M000275
$$\pi=-4365018708\arctan\left(\frac{1}{32863722478}\right)+18338362496\arctan\left(\frac{2}{86479075199}\right)+80023227124\arctan\left(\frac{2}{112899039159}\right)+118194530516\arctan\left(\frac{2}{134062280661}\right)+56609562220\arctan\left(\frac{1}{71617196968}\right)-39593284668\arctan\left(\frac{1}{78535779057}\right)+26606768824\arctan\left(\frac{1}{102428655030}\right)-25243557200\arctan\left(\frac{1}{116206866693}\right)-2682724352\arctan\left(\frac{1}{197877956739}\right)-130816309116\arctan\left(\frac{1}{204190585273}\right)-34924321236\arctan\left(\frac{1}{225891903693}\right)+102418273252\arctan\left(\frac{1}{283378114193}\right)-71861488720\arctan\left(\frac{1}{324363564309}\right)+48212456716\arctan\left(\frac{1}{469027618483}\right)-37166514220\arctan\left(\frac{1}{492806748932}\right)+14547679520\arctan\left(\frac{1}{821345641657}\right)-141692479612\arctan\left(\frac{1}{3737240479718}\right)+85844390500\arctan\left(\frac{1}{28148191112477}\right)-9302439992\arctan\left(\frac{1}{55707370528529}\right)-19301719956\arctan\left(\frac{1}{69971515635443}\right)-25223596448\arctan\left(\frac{1}{109805699900318}\right)-114234909480\arctan\left(\frac{1}{7474541196075273}\right)$$