OFFSET
0,1
COMMENTS
Traveling salesman constant phi.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..10000
Eric Weisstein's World of Mathematics, Traveling Salesman Constants
EXAMPLE
0.983974862071875415877673258875009931150787481....
MATHEMATICA
RealDigits[(280*(3-Sqrt[3]))/(840-280*Sqrt[3]+4*Sqrt[5]-Sqrt[10]), 10, 100][[1]] (* G. C. Greubel, Mar 10 2018 *)
PROG
(PARI) default(realprecision, 100); (280*(3-sqrt(3)))/(840-280*sqrt(3) +4*sqrt(5)-sqrt(10)) \\ G. C. Greubel, Mar 10 2018
(Magma) R:= RealField(100); SetDefaultRealField(R); (280*(3-Sqrt(3)))/(840 -280*Sqrt(3)+4*Sqrt(5)-Sqrt(10)); // G. C. Greubel, Mar 10 2018
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Jul 15 2003
STATUS
approved