A019643 - OEIS

A019643

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

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, 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, 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

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OFFSET

0,2

LINKS

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

EXAMPLE

0.1967967311486901399271138992523739356878819960472...

MATHEMATICA

RealDigits[Sqrt[2Pi E]/21, 10, 120][[1]] (* Harvey P. Dale, Oct 26 2014 *)

PROG

(PARI) sqrt(2*Pi*exp(1))/21 \\ G. C. Greubel, Nov 17 2017

(Magma) C<i> := ComplexField(); [Sqrt(2*Pi(C)*Exp(1))/21]; // G. C. Greubel, Nov 17 2017