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

Author

Jean-François Alcover, May 13 2014

Keywords

• nonn
• cons
• easy

Comments

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

Examples

			0.24197072451914334979783019293556...
		

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

Crossrefs

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

Programs

Magma

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

Mathematica

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

PARI

1/sqrt(2*Pi*exp(1)) \\ G. C. Greubel, Aug 19 2018