M000000225

$$\pi=540597244\arctan\left(\frac{2}{1244961989}\right)+1528675280\arctan\left(\frac{1}{1479406293}\right)+2476528824\arctan\left(\frac{2}{3472598789}\right)-1006833592\arctan\left(\frac{2}{7850392761}\right)-1767059984\arctan\left(\frac{1}{4038832337}\right)+1002448200\arctan\left(\frac{1}{5959574158}\right)+1129775552\arctan\left(\frac{2}{12800795261}\right)+2168491456\arctan\left(\frac{1}{6608082112}\right)-1942853520\arctan\left(\frac{1}{18710140581}\right)-1034033664\arctan\left(\frac{1}{24139206772}\right)-26112728\arctan\left(\frac{2}{112899039159}\right)-1260163208\arctan\left(\frac{1}{71354040503}\right)+1103041988\arctan\left(\frac{1}{225891903693}\right)-1979100104\arctan\left(\frac{1}{378137211957}\right)+327972764\arctan\left(\frac{1}{1053586529897}\right)-553991136\arctan\left(\frac{1}{2554104718836}\right)-1005999652\arctan\left(\frac{1}{3737240479718}\right)-168938060\arctan\left(\frac{1}{3931260155877}\right)+457893912\arctan\left(\frac{1}{28148191112477}\right)$$