A382002 Decimal expansion of the isoperimetric quotient of a triakis tetrahedron.

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

Offset

0,1

Comments

For the definition of isoperimetric quotient of a solid, references and links, see A381684.

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Index entries for transcendental numbers

Formula

Equals 36*Pi*A378205^2/(A378204^3).

Equals (15/22)*(Pi/sqrt(11)) = (15/22)*(A000796/A010468).

Example

0.64583578984055654756565980578430049996817368590574...

Mathematica

First[RealDigits[15/22*Pi/Sqrt[11], 10, 100]]

Crossrefs

Cf. A378204 (surface area), A378205 (volume).

Cf. A000796, A010468, A381684.

Sequence in context: A372995 A199385 A177159 * A361605 A356479 A317866

Adjacent sequences: A381999 A382000 A382001 * A382003 A382004 A382005

Keyword

nonn,cons,easy

Author

Paolo Xausa, Mar 16 2025

Status

approved