OFFSET
0,1
LINKS
FORMULA
From Amiram Eldar, Aug 06 2020: (Start)
Equals Sum_{k>=0} k/(k + 2)!.
Equals Sum_{k>=0} 1/(k! * (k + 2) * (k + 3)) = Sum_{k>=3} 1/A052747(k).
Equals Sum_{k>=2} 1/(k! * k * (k - 1)) = Sum_{k>=4} 1/A098916(k). (End)
Area between log(x) and log(x)^2, i.e., Integral_{x=1..exp(1)} (log(x) - log(x)^2) dx. - Martin Renner, May 17 2022
EXAMPLE
0.2817181715409547646397125286473375...
MATHEMATICA
RealDigits[3 - E, 10, 150][[1]] (* Harvey P. Dale, Nov 29 2011 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Omar E. Pol, Jan 28 2009
STATUS
approved