M000000062

$$\pi=332\arctan\left(\frac{1}{239}\right)+1328\arctan\left(\frac{1}{580}\right)-928\arctan\left(\frac{1}{1710}\right)+576\arctan\left(\frac{2}{226043}\right)+528\arctan\left(\frac{2}{2513489}\right)+576\arctan\left(\frac{1}{109027476193}\right)-576\arctan\left(\frac{2}{3375905320682366575989}\right)$$