A343966 Decimal expansion of (4/3)*(4*sqrt(2)-5).

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

Offset

0,1

Comments

The optimal packing fraction of a rhombicuboctahedron is (4/3)*(4*sqrt(2)-5).

Links

Table of n, a(n) for n=0..100.

Wikipedia, Rhombicuboctahedron

Example

0.87580566598984026027567319578505641903825...

Mathematica

RealDigits[N[(4/3)*(4*Sqrt[2] - 5), 100]][[1]] (* Wesley Ivan Hurt, Nov 12 2022 *)

Prog

(Magma) SetDefaultRealField(RealField(100)); (4/3)*(4*Sqrt(2)-5);

Crossrefs

Cf. A343964 (rhombicuboctahedron surface area).

Cf. A343965 (rhombicuboctahedron volume).

Sequence in context: A086033 A246504 A182527 * A195846 A201666 A349250

Adjacent sequences: A343963 A343964 A343965 * A343967 A343968 A343969

Keyword

nonn,cons

Author

Wesley Ivan Hurt, May 05 2021

Status

approved