login
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
OFFSET
2,2
COMMENTS
Equals imaginary part of (E + Pi*i)^2. - Arkadiusz Wesolowski, Jan 13 2013
LINKS
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
KEYWORD
nonn,cons
STATUS
approved