M000000242

$$\pi=874998960\arctan\left(\frac{1}{1304967682}\right)+742808604\arctan\left(\frac{2}{3340159163}\right)+2682724352\arctan\left(\frac{1}{2264712991}\right)+654136174\arctan\left(\frac{2}{4532659739}\right)+1047394870\arctan\left(\frac{1}{4038832337}\right)+790048590\arctan\left(\frac{1}{6608082112}\right)+478665032\arctan\left(\frac{1}{7220509743}\right)+672381966\arctan\left(\frac{1}{9392165427}\right)+540137390\arctan\left(\frac{1}{12957904393}\right)+143820238\arctan\left(\frac{1}{18710140581}\right)+113484710\arctan\left(\frac{1}{29546599818}\right)-1024053648\arctan\left(\frac{2}{112899039159}\right)+553991136\arctan\left(\frac{1}{65815220307}\right)+599437000\arctan\left(\frac{2}{520629831511}\right)-1697572868\arctan\left(\frac{1}{265542904947}\right)-163136406\arctan\left(\frac{1}{378137211957}\right)-2028642398\arctan\left(\frac{1}{693709623807}\right)+985435188\arctan\left(\frac{1}{3737240479718}\right)+227827726\arctan\left(\frac{1}{11830545643782}\right)$$