M000238

$$\pi=3319338608\arctan\left(\frac{1}{2112819717}\right)+6399903276\arctan\left(\frac{1}{2420845318}\right)-1482442744\arctan\left(\frac{1}{3261365450}\right)+2528122844\arctan\left(\frac{1}{3985944689}\right)-3717178924\arctan\left(\frac{2}{10355370165}\right)-4145206344\arctan\left(\frac{1}{6608082112}\right)+7199026640\arctan\left(\frac{2}{86479075199}\right)-4197708776\arctan\left(\frac{2}{112899039159}\right)-2387777232\arctan\left(\frac{1}{71617196968}\right)+4119512584\arctan\left(\frac{1}{78535779057}\right)-4484249828\arctan\left(\frac{1}{102428655030}\right)+5449176656\arctan\left(\frac{1}{225891903693}\right)+164859944\arctan\left(\frac{1}{283378114193}\right)+1439923688\arctan\left(\frac{1}{324363564309}\right)+678860828\arctan\left(\frac{1}{492806748932}\right)-3921560532\arctan\left(\frac{1}{821345641657}\right)-3037211672\arctan\left(\frac{1}{3737240479718}\right)+577774500\arctan\left(\frac{1}{28148191112477}\right)-2314922648\arctan\left(\frac{1}{69971515635443}\right)-2440282240\arctan\left(\frac{1}{7474541196075273}\right)$$