M000000097

$$\pi=1036\arctan\left(\frac{2}{4989}\right)+5760\arctan\left(\frac{1}{2673}\right)+7224\arctan\left(\frac{1}{12943}\right)+1592\arctan\left(\frac{2}{313489}\right)+4324\arctan\left(\frac{2}{2885139}\right)-732\arctan\left(\frac{1}{1610057}\right)+1592\arctan\left(\frac{1}{2733307}\right)-2528\arctan\left(\frac{1}{103224943}\right)$$