M000000150

$$\pi=2873076\arctan\left(\frac{1}{1984933}\right)+1403388\arctan\left(\frac{1}{2478328}\right)+2708200\arctan\left(\frac{1}{3449051}\right)+2476996\arctan\left(\frac{1}{4640657}\right)-2373800\arctan\left(\frac{1}{18975991}\right)-1131304\arctan\left(\frac{1}{22709274}\right)-276176\arctan\left(\frac{2}{48455989}\right)-1787516\arctan\left(\frac{1}{158608307}\right)-503572\arctan\left(\frac{1}{201229582}\right)+2341920\arctan\left(\frac{1}{243875923}\right)-865232\arctan\left(\frac{1}{2189376182}\right)-554404\arctan\left(\frac{1}{6689063568}\right)-3442652\arctan\left(\frac{1}{29546599818}\right)$$