M000000035

$$\pi=1288\arctan\left(\frac{1}{577}\right)+1164\arctan\left(\frac{1}{1393}\right)+624\arctan\left(\frac{1}{12943}\right)+832\arctan\left(\frac{1}{32807}\right)+176\arctan\left(\frac{1}{1049433}\right)+304\arctan\left(\frac{1}{23053977}\right)+304\arctan\left(\frac{1}{683222322447137}\right)+304\arctan\left(\frac{1}{550439606940346127492293}\right)$$