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A179451 Decimal expansion of the surface area of an icosidodecahedron with side length 1. 15
2, 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, 3, 0, 4, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Icosidodecahedron: 32 faces, 30 vertices, and 60 edges.

LINKS

Table of n, a(n) for n=2..106.

FORMULA

Sqrt(30*(10+3*sqrt(5)+sqrt(75+30*sqrt(5))))

EXAMPLE

29.3059828449119895407453754361926770276025163091742830907641713815460...

MATHEMATICA

RealDigits[N[Sqrt[30*(10+3*Sqrt[5]+Sqrt[75+30*Sqrt[5]])], 200]]

CROSSREFS

Cf. A010527, A102208, A179290, A179292, A179294, A179449, A179450.

Sequence in context: A074916 A188966 A091943 * A124918 A011240 A021345

Adjacent sequences:  A179448 A179449 A179450 * A179452 A179453 A179454

KEYWORD

nonn,cons,easy

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jul 14 2010

EXTENSIONS

Partially rewritten by Charles R Greathouse IV, Feb 03 2011.

STATUS

approved

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Last modified June 19 10:30 EDT 2013. Contains 226401 sequences.