Compact formula | 80842[32807] + 37010[79011/2] - 63056[216482] + 1592[390112] + 24738[2885139/2] + 3462[1610057] + 4194[3449051] + 32842[4645427] + 20890[103224943] + 32842[22882930280855] |
Lehmer's measure | 1.63132 |
References | Wetherfield, Michael Roby and Chien-Lih, Hwang. Computing pi: Lists of Machin-type (inverse cotangent) identities for pi/4, [Online; accessed 04-February-2024], 2013. [web.archive.org/web/20240204042153/http] [Found by Amrik Singh Nimbran on 7 August 2010.] |