M000000133

$$\pi=1536424\arctan\left(\frac{1}{2484568}\right)+8670576\arctan\left(\frac{1}{4218932}\right)+5793692\arctan\left(\frac{1}{25720843}\right)-1385960\arctan\left(\frac{1}{34713882}\right)+7247708\arctan\left(\frac{1}{55153444}\right)+6635608\arctan\left(\frac{1}{69392058}\right)+7463356\arctan\left(\frac{1}{113014933}\right)-4212216\arctan\left(\frac{1}{226983307}\right)+5529184\arctan\left(\frac{1}{1085592682}\right)+6656396\arctan\left(\frac{1}{2701984943}\right)+2922384\arctan\left(\frac{1}{5475957057}\right)+4261076\arctan\left(\frac{1}{6436804193}\right)-7690596\arctan\left(\frac{1}{14033378718}\right)-841916\arctan\left(\frac{1}{735834181077}\right)$$