OFFSET
0,1
REFERENCES
S. R. Finch, Mathematical Constants, Cambridge, 2003, Section 8.2 p. 486.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..5000
Eric Weisstein's World of Mathematics, Disk Covering Problem
EXAMPLE
0.60938286408070965467...
MATHEMATICA
Root[1296*x^8 + 2112*x^7 - 3480*x^6 + 1360*x^5 + 1665*x^4 - 1776*x^3 + 22*x^2 - 800*x + 625, x, 3] // RealDigits[#, 10, 105]& // First (* Jean-François Alcover, May 19 2014 *)
PROG
(PARI) polrootsreal(1296*x^8 +2112*x^7 -3480*x^6 +1360*x^5 +1665*x^4 -1776*x^3 +22*x^2 -800*x +625)[3] \\ Charles R Greathouse IV, Apr 14 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Sep 08 2007
STATUS
approved