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A343864
Decimal expansion of 12*sqrt(3)/(3+sqrt(5)).
2
3, 9, 6, 9, 5, 0, 7, 2, 2, 9, 4, 9, 7, 6, 4, 4, 9, 8, 6, 2, 0, 9, 2, 2, 0, 8, 7, 4, 2, 0, 5, 6, 5, 2, 4, 6, 9, 9, 8, 6, 4, 8, 2, 1, 6, 8, 4, 1, 8, 6, 5, 3, 1, 7, 2, 7, 3, 9, 5, 4, 1, 5, 1, 6, 7, 2, 6, 9, 4, 7, 8, 7, 6, 3, 6, 8, 2, 6, 3, 2, 3, 3, 1, 7, 2, 4, 5, 3, 5, 5, 0, 2, 3
OFFSET
1,1
COMMENTS
Surface area to volume ratio of an icosahedron with unit side length.
FORMULA
3.9695072294976449862092208742056524...
MATHEMATICA
RealDigits[12 Sqrt[3]/(3 + Sqrt[5]), 10, 100] // Flatten
CROSSREFS
Cf. A343745.
Sequence in context: A349850 A331063 A199738 * A309613 A189272 A349403
KEYWORD
nonn,cons
AUTHOR
Wesley Ivan Hurt, May 03 2021
STATUS
approved