Compact formula | 2324[1252] + 3056[5593] + 4120[5832] + 1464[58898] + 780[110443] + 2148[4841182] + 1064[6826318] |
Lehmer's measure | 1.55905 |
References | Chien-Lih, Hwang. More Machin-type identities, The Mathematical Gazette 81, 120–121, 1997. [DOI: 10.2307/3618793] MRW (06Dec94)(*1.56846, ΒΆΒΆ1.97950) (full reference coming soon) |