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 A257896 Decimal expansion of (Pi-arctan(e))/(2*Pi). 2
 3, 0, 6, 1, 0, 4, 2, 5, 3, 5, 8, 2, 1, 4, 6, 2, 4, 9, 4, 7, 5, 4, 8, 4, 2, 9, 4, 8, 1, 2, 7, 6, 2, 2, 0, 5, 7, 9, 8, 9, 0, 7, 3, 9, 5, 9, 9, 7, 3, 4, 8, 2, 3, 4, 6, 2, 1, 6, 6, 9, 4, 5, 7, 2, 3, 0, 5, 0, 7, 3, 7, 6, 1, 5, 9, 9, 7, 0, 9, 7, 3, 5, 3, 6, 6, 6, 7, 2, 3, 7, 5, 7, 6, 5, 7, 9, 0, 2, 4, 0, 5, 4, 2, 1, 7 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Fraction of the horizon obstructed by the exponential curve y=exp(x) when viewed from the origin. LINKS Stanislav Sykora, Table of n, a(n) for n = 0..2000 FORMULA Equals 1/2 - A257777/(2*Pi). EXAMPLE 0.3061042535821462494754842948127622057989073959973482346216694572... MATHEMATICA RealDigits[(Pi-ArcTan[E])/(2Pi), 10, 120][[1]] (* Harvey P. Dale, Oct 23 2017 *) PROG (PARI) (Pi-atan(exp(1)))/(2*Pi) CROSSREFS Cf. A000796, A257777. Sequence in context: A007385 A081978 A117784 * A268978 A280585 A197807 Adjacent sequences:  A257893 A257894 A257895 * A257897 A257898 A257899 KEYWORD nonn,cons,easy AUTHOR Stanislav Sykora, May 12 2015 STATUS approved

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Last modified December 18 20:06 EST 2018. Contains 318245 sequences. (Running on oeis4.)