Compact formula | 5380[1710] + 332[5827] - 2324[97059/2] - 1416[226043/2] - 1464[2513489/2] - 332[1561886607] + 2324[14130722757] - 1416[109027476193] + 1416[3375905320682366575989/2] |
Lehmer's measure | 1.49513 |
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 MRW on 23 September 2009.] |