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A382002
Decimal expansion of the isoperimetric quotient of a triakis tetrahedron.
1
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.
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).
Sequence in context: A372995 A199385 A177159 * A361605 A356479 A317866
KEYWORD
nonn,cons,easy
AUTHOR
Paolo Xausa, Mar 16 2025
STATUS
approved