A273637 - OEIS

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A273637

Decimal expansion of ((Pi*(3+sqrt(5))^2)/(60*sqrt(3)))^(1/3), the sphericity of the icosahedron.

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

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OFFSET

0,1

LINKS

Table of n, a(n) for n=0..85.

Wikipedia, Sphericity.

Index entries for transcendental numbers

EXAMPLE

0.93932565156763615941610143241466136614288864170479161093295918...

MATHEMATICA

RealDigits[Surd[(Pi (3+Sqrt[5])^2)/(60Sqrt[3]), 3], 10, 120][[1]] (* Harvey P. Dale, Nov 16 2022 *)

PROG