M000000043

$$\pi=1036\arctan\left(\frac{2}{4989}\right)+5760\arctan\left(\frac{1}{2673}\right)+7224\arctan\left(\frac{1}{12943}\right)+1592\arctan\left(\frac{2}{296489}\right)+4324\arctan\left(\frac{2}{2885139}\right)-732\arctan\left(\frac{1}{1610057}\right)-2528\arctan\left(\frac{1}{103224943}\right)+1592\arctan\left(\frac{1}{18677233307}\right)$$