A382009 - OEIS

A382009

Decimal expansion of the isoperimetric quotient of a triakis icosahedron.

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

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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*A378974^2/(A378973^3).

Equals (Pi/183)*sqrt((169753 + 75771*sqrt(5))/122) = (A000796/183)*sqrt((169753 + 75771*A002163)/122).

EXAMPLE