OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 2.23 Diophantine Approximation Constants, p. 174.
LINKS
Eric Weisstein's MathWorld, Blichfeldt's Theorem
FORMULA
Equals 1/(k*2^(k+1)*Integral_{x=0..1} x^(k-1)/((x^k+1)*(x+1)^k) dx), with k = 4.
Equals 3/(208 + 72*Pi - 96*sqrt(2)*Pi).
EXAMPLE
0.390731382965245287326866686095898...
MATHEMATICA
RealDigits[3/(208 + 72*Pi - 96*Sqrt[2]*Pi), 10, 103] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jun 26 2014
STATUS
approved