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A086202
Decimal expansion of Plouffe's b-constant.
1
4, 7, 5, 6, 2, 6, 0, 7, 6, 7, 3, 5, 9, 8, 8, 5, 5, 4, 8, 0, 4, 9, 7, 7, 2, 5, 2, 9, 0, 4, 9, 5, 4, 7, 1, 4, 2, 8, 1, 9, 6, 0, 5, 3, 1, 3, 5, 3, 8, 2, 2, 7, 5, 2, 8, 9, 5, 8, 1, 1, 1, 3, 4, 2, 0, 9, 5, 7, 4, 0, 4, 0, 2, 8, 7, 4, 9, 8, 4, 0, 0, 4, 7, 1, 2, 7, 3, 8, 7, 6, 8, 8, 5, 6, 2, 9, 5, 2, 3, 2, 0, 4
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
Sequence in context: A360060 A322580 A122165 * A107824 A085674 A379135
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Jul 12 2003
STATUS
approved