OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..5000
Jean-François Alcover, Graphics
EXAMPLE
0.13847532425848...
MATHEMATICA
w = ProductLog[1/E]; Pi^2/6 - w - w^2 - 2*Log[1+w]*(1+w) + 2*PolyLog[2, -w] // RealDigits[#, 10, 100]& // First
PROG
(PARI) (w -> Pi^2/6 - w - w^2 - 2*(1+w)*log(1+w) + 2*polylog(2, -w))(lambertw(exp(-1))) \\ Charles R Greathouse IV, Aug 27 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Apr 03 2014
STATUS
approved