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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
OFFSET
0,1
COMMENTS
Fraction of the horizon obstructed by the exponential curve y=exp(x) when viewed from the origin.
LINKS
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
Sequence in context: A307644 A081978 A117784 * A268978 A280585 A359218
KEYWORD
nonn,cons,easy
AUTHOR
Stanislav Sykora, May 12 2015
STATUS
approved