M000000195

$$\pi=30640352\arctan\left(\frac{1}{27872057}\right)+39014080\arctan\left(\frac{1}{44203064}\right)+17092828\arctan\left(\frac{2}{129425989}\right)+68544840\arctan\left(\frac{1}{127120947}\right)+33492488\arctan\left(\frac{2}{322564791}\right)+33713200\arctan\left(\frac{1}{201229582}\right)+14978716\arctan\left(\frac{1}{284862638}\right)-24752124\arctan\left(\frac{1}{299252491}\right)-15688916\arctan\left(\frac{2}{3472598789}\right)+51501140\arctan\left(\frac{1}{3866973557}\right)+61124688\arctan\left(\frac{1}{7427844818}\right)-26492036\arctan\left(\frac{2}{75525552427}\right)-42388804\arctan\left(\frac{1}{64506738863}\right)+13527504\arctan\left(\frac{1}{118034929852}\right)-9633400\arctan\left(\frac{2}{1087840667761}\right)-16868488\arctan\left(\frac{1}{169838669284032}\right)$$