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A019597 Decimal expansion of 2*Pi*e. 12
1, 7, 0, 7, 9, 4, 6, 8, 4, 4, 5, 3, 4, 7, 1, 3, 4, 1, 3, 0, 9, 2, 7, 1, 0, 1, 7, 3, 9, 0, 9, 3, 1, 4, 8, 9, 9, 0, 0, 6, 9, 7, 7, 7, 0, 7, 1, 5, 3, 0, 2, 2, 9, 9, 2, 3, 7, 5, 9, 2, 0, 2, 2, 6, 0, 3, 5, 8, 4, 5, 7, 2, 2, 2, 3, 1, 4, 6, 6, 1, 6, 1, 5, 1, 4, 5, 1, 2, 7, 7, 3, 9, 4, 2, 0, 9, 4, 7, 8, 8, 7, 8, 2, 7, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,2

COMMENTS

Equals imaginary part of (E + Pi*i)^2. - Arkadiusz Wesolowski, Jan 13 2013

LINKS

Ivan Panchenko, Table of n, a(n) for n = 2..1000

EXAMPLE

17.079468...

MAPLE

evalf(2*Pi*exp(1)) ;

MATHEMATICA

RealDigits[N[2*Pi*E, 105]][[1]] (* Arkadiusz Wesolowski, Jan 13 2013 *)

PROG

(PARI) 2*Pi*exp(1) \\ Charles R Greathouse IV, Jan 13 2013

(MAGMA) SetDefaultRealField(RealField(100)); R:=RealField(); 2*Pi(R)*Exp(1); // G. C. Greubel, Aug 24 2018

CROSSREFS

Sequence in context: A321022 A216185 A202996 * A096444 A246918 A055957

Adjacent sequences:  A019594 A019595 A019596 * A019598 A019599 A019600

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 27 04:21 EST 2020. Contains 338677 sequences. (Running on oeis4.)