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A019643 Decimal expansion of sqrt(2*Pi*e)/21. 1

%I

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

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

%U 0,8,5,3,7,3,8,7,3,4,1,4,4,3,9,8,2,1,5,2,5,5,3,5,5,0,2,2,2,0,3

%N Decimal expansion of sqrt(2*Pi*e)/21.

%H Ivan Panchenko, <a href="/A019643/b019643.txt">Table of n, a(n) for n = 0..1000</a>

%e 0.1967967311486901399271138992523739356878819960472...

%t RealDigits[Sqrt[2Pi E]/21,10,120][[1]] (* _Harvey P. Dale_, Oct 26 2014 *)

%o (PARI) sqrt(2*Pi*exp(1))/21 \\ _G. C. Greubel_, Nov 17 2017

%o (MAGMA) C<i> := ComplexField(); [Sqrt(2*Pi(C)*Exp(1))/21]; // _G. C. Greubel_, Nov 17 2017

%K nonn,cons

%O 0,2

%A _N. J. A. Sloane_

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Last modified January 23 14:34 EST 2022. Contains 350512 sequences. (Running on oeis4.)