A constant sometimes called Varga's constant is defined by
 |
(OEIS A073007), where 
is the one-ninth constant.
Varga's Constant
See also
One-Ninth ConstantExplore with Wolfram|Alpha
References
Finch, S. R. "The 'One-Ninth' Constant." §4.5 in Mathematical Constants. Cambridge, England: Cambridge University Press, pp. 259-262, 2003.Sloane, N. J. A. Sequence A073007 in "The On-Line Encyclopedia of Integer Sequences."Referenced on Wolfram|Alpha
Varga's ConstantCite this as:
Weisstein, Eric W. "Varga's Constant." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/VargasConstant.html