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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A273633 Decimal expansion of (Pi/6*sqrt(3))^(1/3), the sphericity of the tetrahedron. 4
6, 7, 1, 1, 3, 9, 2, 9, 1, 3, 1, 2, 8, 5, 0, 3, 6, 9, 4, 9, 2, 0, 2, 9, 0, 6, 1, 6, 6, 4, 4, 4, 5, 1, 3, 1, 7, 5, 7, 9, 1, 6, 8, 4, 6, 2, 0, 7, 4, 7, 5, 1, 2, 4, 2, 1, 3, 8, 9, 9, 7, 1, 2, 6, 7, 8, 2, 0, 5, 8, 2, 9, 1, 3, 6, 9, 7, 5, 9, 4, 5, 1, 6, 2, 4, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

Wikipedia, Sphericity.

FORMULA

Equals cube root of A093766. - Michel Marcus, May 27 2016

EXAMPLE

0.67113929131285036949202906166444513175791684620747512421389971...

PROG

(PARI) default(realprecision, 50080); my(x=(Pi/(6*sqrt(3)))^(1/3)); for(k=1, 100, my(d=floor(x)); x=(x-d)*10; print1(d, ", "))

CROSSREFS

Cf. A273634, A273635, A273636, A273637.

Sequence in context: A195714 A247043 A019734 * A021153 A195430 A153269

Adjacent sequences:  A273630 A273631 A273632 * A273634 A273635 A273636

KEYWORD

nonn,cons

AUTHOR

Felix Fröhlich, May 27 2016

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 November 18 17:33 EST 2019. Contains 329287 sequences. (Running on oeis4.)