M000000130

$$\pi=-1385960\arctan\left(\frac{1}{1770443}\right)+14515344\arctan\left(\frac{1}{4218932}\right)+5643228\arctan\left(\frac{1}{25720843}\right)+5711284\arctan\left(\frac{1}{55153444}\right)+8021568\arctan\left(\frac{1}{69392058}\right)+5776468\arctan\left(\frac{1}{113014933}\right)-4212216\arctan\left(\frac{1}{226983307}\right)+1536424\arctan\left(\frac{1}{419282318}\right)+2606800\arctan\left(\frac{1}{1085592682}\right)+4458808\arctan\left(\frac{1}{1174698307}\right)+6656396\arctan\left(\frac{1}{2701984943}\right)+7183460\arctan\left(\frac{1}{6436804193}\right)-9076556\arctan\left(\frac{1}{14033378718}\right)-2378340\arctan\left(\frac{1}{735834181077}\right)$$