M000000229

$$\pi=499507264\arctan\left(\frac{1}{1454097393}\right)+2926025692\arctan\left(\frac{1}{1479406293}\right)-856753168\arctan\left(\frac{1}{3739944528}\right)+1353663992\arctan\left(\frac{1}{3816349818}\right)-106194348\arctan\left(\frac{1}{4038832337}\right)+4880488948\arctan\left(\frac{1}{6608082112}\right)-4700847112\arctan\left(\frac{1}{18710140581}\right)+5517049316\arctan\left(\frac{1}{20875536277}\right)+599437000\arctan\left(\frac{1}{24858161060}\right)+1642619844\arctan\left(\frac{1}{29546599818}\right)-1907655128\arctan\left(\frac{1}{44356375201}\right)-149054688\arctan\left(\frac{2}{112899039159}\right)-1731752128\arctan\left(\frac{1}{102416588812}\right)-3612207184\arctan\left(\frac{1}{113201494333}\right)-4534494272\arctan\left(\frac{1}{265542904947}\right)+1365998728\arctan\left(\frac{1}{378137211957}\right)-4466147356\arctan\left(\frac{1}{1628612367538}\right)+385998188\arctan\left(\frac{1}{3737240479718}\right)+2032524820\arctan\left(\frac{1}{11830545643782}\right)$$