A019808 Decimal expansion of sqrt(2*e)/21.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Examples

			0.1110306657903392477792160029604000417323922047232184963...
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 0..1000

Crossrefs

Cf. A019798 (sqrt(2*e)).

Programs

Magma

SetDefaultRealField(RealField(100)); R:= RealField(); Sqrt(2*Exp(1))/21; // G. C. Greubel, Sep 08 2018

Mathematica

RealDigits[Sqrt[2*E]/21, 10, 100][[1]] (* G. C. Greubel, Sep 08 2018 *)

PARI

default(realprecision, 100); sqrt(2*exp(1))/21 \\ G. C. Greubel, Sep 08 2018