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A086306 Decimal expansion of (280*(3 - sqrt(3)))/(840 - 280*sqrt(3) + 4*sqrt(5) - sqrt(10)). 2
9, 8, 3, 9, 7, 4, 8, 6, 2, 0, 7, 1, 8, 7, 5, 4, 1, 5, 8, 7, 7, 6, 7, 3, 2, 5, 8, 8, 7, 5, 0, 0, 9, 9, 3, 1, 1, 5, 0, 7, 8, 7, 4, 8, 1, 0, 0, 1, 7, 1, 1, 3, 9, 6, 8, 1, 8, 8, 0, 0, 1, 5, 8, 7, 2, 4, 8, 3, 5, 9, 2, 6, 8, 7, 2, 6, 6, 2, 7, 8, 8, 6, 8, 7, 8, 6, 8, 5, 2, 9, 3, 0, 5, 6, 2, 3, 5, 6, 1, 7, 7, 5 (list; constant; graph; refs; listen; history; text; internal format)
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

Sequence in context: A118427 A199170 A155532 * A094139 A330380 A021508

Adjacent sequences:  A086303 A086304 A086305 * A086307 A086308 A086309

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jul 15 2003

STATUS

approved

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Last modified February 24 07:05 EST 2020. Contains 332199 sequences. (Running on oeis4.)