

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
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OFFSET

0,1


LINKS

Table of n, a(n) for n=0..85.
Wikipedia, Sphericity.
Index entries for transcendental numbers


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=(xd)*10; print1(d, ", "))


CROSSREFS

Cf. A093766, 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


EXTENSIONS

Definition corrected by Georg Fischer, Jul 12 2021


STATUS

approved



