M000244
$$\pi=2069272524\arctan\left(\frac{1}{1479406293}\right)+1250066084\arctan\left(\frac{1}{4038832337}\right)+8240836784\arctan\left(\frac{1}{9561488343}\right)+1702255108\arctan\left(\frac{1}{18471834623}\right)+5031693368\arctan\left(\frac{1}{18710140581}\right)-1156975624\arctan\left(\frac{1}{24139206772}\right)+1887350516\arctan\left(\frac{1}{24858161060}\right)+8558245428\arctan\left(\frac{1}{37017669307}\right)-149054688\arctan\left(\frac{2}{112899039159}\right)-3969251908\arctan\left(\frac{1}{71354040503}\right)+7515144132\arctan\left(\frac{1}{102416588812}\right)-3557723312\arctan\left(\frac{1}{113201494333}\right)-444388848\arctan\left(\frac{1}{225891903693}\right)-6266812012\arctan\left(\frac{1}{374583684956}\right)-4811130764\arctan\left(\frac{1}{378137211957}\right)-2381115936\arctan\left(\frac{1}{1053586529897}\right)-553991136\arctan\left(\frac{1}{2554104718836}\right)+2832864600\arctan\left(\frac{1}{3737240479718}\right)+3388785252\arctan\left(\frac{1}{3931260155877}\right)-5391262816\arctan\left(\frac{1}{28148191112477}\right)$$