A273635 Decimal expansion of (Pi/(3*sqrt(3)))^(1/3), the sphericity of the octahedron.

8, 4, 5, 5, 8, 2, 5, 2, 0, 5, 3, 6, 5, 8, 7, 5, 6, 6, 3, 2, 7, 1, 8, 8, 1, 5, 9, 7, 7, 3, 0, 6, 6, 2, 5, 2, 5, 0, 2, 0, 0, 6, 6, 8, 2, 3, 4, 0, 8, 5, 9, 5, 9, 8, 0, 0, 6, 9, 9, 6, 1, 1, 2, 7, 1, 0, 3, 1, 1, 8, 7, 5, 0, 8, 7, 4, 5, 5, 8, 8, 3, 0, 2, 6, 7, 4

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 A093602. - Michel Marcus, May 27 2016

Example

0.84558252053658756632718815977306625250200668234085959800699611...

Mathematica

RealDigits[Surd[Pi/(3Sqrt[3]), 3], 10, 120][[1]] (* Harvey P. Dale, Jan 07 2023 *)

Prog

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

Crossrefs

Cf. A093602, A273633, A273634, A273636, A273637.

Sequence in context: A197256 A328017 A195431 * A299618 A376875 A021926

Adjacent sequences: A273632 A273633 A273634 * A273636 A273637 A273638

Keyword

nonn,cons

Author

Felix Fröhlich, May 27 2016

Extensions

Definition corrected by Georg Fischer, Jul 12 2021

Status

approved