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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A195730 Decimal expansion of arctan(sqrt(10)). 1
1, 2, 6, 4, 5, 1, 8, 9, 5, 7, 6, 2, 5, 2, 2, 7, 1, 6, 3, 1, 4, 9, 0, 8, 3, 4, 7, 2, 0, 0, 7, 0, 1, 2, 2, 0, 3, 5, 8, 6, 0, 4, 8, 7, 1, 2, 0, 1, 1, 0, 0, 9, 3, 6, 4, 4, 5, 4, 2, 1, 1, 8, 4, 2, 4, 5, 7, 9, 1, 8, 6, 0, 1, 7, 8, 6, 4, 0, 2, 7, 2, 8, 0, 5, 1, 6, 7, 2, 8, 1, 9, 0, 5, 1, 2, 1, 7, 2, 0, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

EXAMPLE

arctan(sqrt(10)) = 1.2645189576252271631...

MATHEMATICA

r = Sqrt[10]; N[ArcTan[r], 100]

RealDigits[%]  (* A195730 *)

PROG

(PARI) atan(sqrt(10)) \\ G. C. Greubel, Aug 20 2018

(MAGMA) SetDefaultRealField(RealField(100)); Arctan(Sqrt(10)); // G. C. Greubel, Aug 20 2018

CROSSREFS

Sequence in context: A057143 A087428 A115508 * A222236 A175386 A021382

Adjacent sequences:  A195727 A195728 A195729 * A195731 A195732 A195733

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Sep 23 2011

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 July 21 21:14 EDT 2019. Contains 325199 sequences. (Running on oeis4.)