OFFSET
0,2
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 3.1.1 Djokovic's Conjecture, p. 210.
FORMULA
Positive root of 12*x^3 - 16*x^2 + 8*x - 1.
Equals (r - 8/r + 8)/18, where r = (27*sqrt(17)-109)^(1/3).
EXAMPLE
0.1824878875219793398416793914878206648753039383250540321198664994565...
MATHEMATICA
a1 = Root[12*x^3 - 16*x^2 + 8*x - 1, x, 1]; RealDigits[a1, 10, 103] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jul 16 2014
STATUS
approved