M000000160

$$\pi=30640352\arctan\left(\frac{2}{16859469}\right)-3374724\arctan\left(\frac{1}{82189674}\right)-39428780\arctan\left(\frac{1}{162166243}\right)+5773276\arctan\left(\frac{1}{168623905}\right)-30107108\arctan\left(\frac{1}{244653118}\right)-6615680\arctan\left(\frac{1}{284862638}\right)-17556312\arctan\left(\frac{1}{403478642}\right)-7127356\arctan\left(\frac{1}{403916362}\right)-3562556\arctan\left(\frac{1}{657922943}\right)+15375704\arctan\left(\frac{1}{727507932}\right)-54728452\arctan\left(\frac{2}{1498434239}\right)+48150744\arctan\left(\frac{2}{4417955351}\right)-13740048\arctan\left(\frac{2}{74522099649}\right)+9669908\arctan\left(\frac{1}{106334643058}\right)+1213312\arctan\left(\frac{1}{134520516108}\right)$$