Gieseking's constant
http://bomber0.myid.net/ (토론)님의 2010년 7월 17일 (토) 13:42 판
http://mathworld.wolfram.com/GiesekingsConstant.html
http://www.research.att.com/~njas/sequences/A143298
http://www.wolframalpha.com/input/?i=Gieseking's+constant.
http://www.wolframalpha.com/input/?i=sqrt(3)*(trigamma(1/3)-trigamma(2/3))/12
The Newest Inductee in the Number Hall of Fame
- Colin C. Adams, Mathematics Magazine, Vol. 71, No. 5 (Dec., 1998), pp. 341-349