OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 6.5, p. 431.
LINKS
Eric Weisstein's World of Mathematics, Plouffe's Constant.
EXAMPLE
0.47562607673598855480497725290495471428196...
MATHEMATICA
digits = 102; bits = RealDigits[1/Pi, 2, 4*digits] // First; xor = BitXor[bits, Join[{0}, Most[bits]]]; B = FromDigits[{xor, -1}, 2]; RealDigits[B, 10, digits] // First (* Jean-François Alcover, Oct 01 2014 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Jul 12 2003
STATUS
approved