login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A257896 Decimal expansion of (Pi-atan(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...

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified May 22 16:19 EDT 2017. Contains 286882 sequences.