Machin-like formulae
M000010
$$\pi=332\arctan\left(\frac{1}{107}\right)+68\arctan\left(\frac{1}{4443}\right)+136\arctan\left(\frac{1}{5726}\right)-20\arctan\left(\frac{1}{110443}\right)+20\arctan\left(\frac{1}{4841182}\right)-136\arctan\left(\frac{1}{1737720807}\right)$$
Compact formula
332[107] + 68[4443] + 136[5726] - 20[110443] + 20[4841182] - 136[1737720807]
Lehmer's measure
1.48912
References
ASN (***)
(full reference coming soon)