A344149 - OEIS

A344149

Decimal expansion of 30+5*sqrt(3)+3*sqrt(25+10*sqrt(5)).

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

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OFFSET

2,1

COMMENTS

Decimal expansion of the surface area of a rhombicosidodecahedron with unit edge length.

Apart from the first digit the same as A179451. - R. J. Mathar, May 16 2021

LINKS

Table of n, a(n) for n=2..102.

Wikipedia, Rhombicosidodecahedron

EXAMPLE

59.305982844911989540745375436192677...

MATHEMATICA