login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A335994 Decimal expansion of the number u such that the arclength on y = sin(x) from (0,0) to (u, sin u) is 1. 1
7, 3, 8, 3, 3, 0, 4, 3, 5, 8, 1, 4, 4, 6, 6, 6, 5, 8, 6, 8, 3, 9, 6, 8, 2, 8, 8, 1, 9, 9, 5, 6, 0, 7, 9, 8, 9, 7, 4, 4, 2, 5, 0, 7, 5, 7, 7, 2, 1, 4, 0, 7, 7, 6, 6, 4, 1, 1, 8, 2, 1, 0, 6, 7, 9, 2, 0, 4, 6, 1, 9, 4, 2, 4, 4, 2, 4, 0, 6, 7, 8, 5, 7, 1, 7, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..85.

EXAMPLE

u = 0.7383304358144666586839682881995607989744250...

MATHEMATICA

x = x /. FindRoot[Sqrt[2] EllipticE[x, 1/2] == 1, {x, 0}, WorkingPrecision -> 200]

RealDigits[x][[1]]

CROSSREFS

Cf. A335995.

Sequence in context: A248281 A111197 A245645 * A115411 A019726 A011330

Adjacent sequences:  A335991 A335992 A335993 * A335995 A335996 A335997

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Jul 04 2020

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 26 00:31 EDT 2021. Contains 348256 sequences. (Running on oeis4.)