OFFSET
1,3
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.15 Optimal stopping constants, p. 361.
LINKS
David Assaf, Larry Goldstein, Ester Samuel-Cahn, Two choice optimal stopping.
Steven R. Finch, Errata and Addenda to Mathematical Constants. p. 46.
Eric Weisstein's MathWorld, Sultan's Dowry Problem.
Wikipedia, Secretary problem.
FORMULA
2*xi/(xi + 2), where xi is A246672.
EXAMPLE
1.165623287731622772082152021107540408255491345963342103019...
MATHEMATICA
xi = x /. FindRoot[(2/x + 1)*Log[x/2 + 1] == 3/2, {x, 3}, WorkingPrecision -> 102]; c = 2*xi/(xi + 2); RealDigits[c] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Sep 01 2014
STATUS
approved