A240717 Decimal expansion of 1/sqrt(2*Pi*e), one of the Traveling Salesman constants.

2, 4, 1, 9, 7, 0, 7, 2, 4, 5, 1, 9, 1, 4, 3, 3, 4, 9, 7, 9, 7, 8, 3, 0, 1, 9, 2, 9, 3, 5, 5, 6, 0, 6, 5, 4, 8, 2, 8, 6, 7, 1, 9, 7, 0, 7, 3, 7, 4, 3, 5, 0, 2, 5, 4, 8, 7, 5, 5, 5, 0, 8, 4, 2, 8, 1, 1, 0, 0, 0, 6, 3, 5, 7, 0, 0, 8, 3, 2, 9, 4, 5, 0, 8, 3, 1, 1, 2, 9, 4, 6, 9, 3, 9, 4, 2, 4, 0, 4, 7

Offset

0,1

Comments

This constant is a coefficient in the asymptotics of the minimum tour-length.

References

Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, p. 497.

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000

Eric Weisstein's MathWorld, Traveling Salesman Constants

Example

0.24197072451914334979783019293556...

Mathematica

RealDigits[1/Sqrt[2*Pi*E], 10, 100] // First

Prog

(PARI) 1/sqrt(2*Pi*exp(1)) \\ G. C. Greubel, Aug 19 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); 1/Sqrt(2*Pi(R)*Exp(1)); // G. C. Greubel, Aug 19 2018

Crossrefs

Cf. A000796, A001620, A019633, A073008, A086306, A086307.

Sequence in context: A135306 A242352 A270953 * A166900 A192437 A277256

Adjacent sequences: A240714 A240715 A240716 * A240718 A240719 A240720

Keyword

nonn,cons,easy

Author

Jean-François Alcover, May 13 2014

Status

approved