OFFSET
0,3
LINKS
David Broadhurst, Feynman’s sunshine numbers, arXiv:1004.4238 [physics.pop-ph], 2010, p. 16.
Steven R. Finch, Errata and Addenda to Mathematical Constants, p. 6.
FORMULA
Pi^4/180 + (Pi^2/12)*log(2)^2 - (1/12)*log(2)^4 - 2*Li_4(1/2).
EXAMPLE
-0.117875999650509326841013950834137618715217513175975...
MATHEMATICA
U[3, 1] = Pi^4/180 + (Pi^2/12)*Log[2]^2 - (1/12)*Log[2]^4 - 2*PolyLog[4, 1/2]; RealDigits[U[3, 1], 10, 103] // First
PROG
(PARI)
Pi^4/180 + (Pi^2/12)*log(2)^2 - (1/12)*log(2)^4 - 2*polylog(4, 1/2) \\ Gheorghe Coserea, Sep 30 2018
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Mar 02 2015
STATUS
approved