A179452 - OEIS

A179452

Decimal expansion of sqrt(5 + 2*sqrt(5))/2, the height of a regular pentagon and midradius of an icosidodecahedron with side length 1.

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

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OFFSET

1,2

COMMENTS

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

Height of a regular pentagon with side length 1. - Jared Kish, Oct 16 2014

Volume of a regular decagonal prism with unit side length and height 2. - Wesley Ivan Hurt, May 04 2021

LINKS

Table of n, a(n) for n=1..105.

Polytope Wiki, Icosidodecahedron.

Eric Weisstein's World of Mathematics, Icosidodecahedron.

Eric Weisstein's World of Mathematics, Pentagon.