A380796 Decimal expansion of the largest acute vertex angle, in radians, in a pentakis dodecahedron face.
1, 1, 9, 7, 6, 2, 2, 6, 0, 8, 7, 5, 6, 3, 7, 9, 7, 8, 9, 0, 8, 1, 3, 2, 8, 4, 2, 9, 8, 4, 2, 1, 0, 3, 9, 8, 5, 8, 2, 1, 8, 9, 3, 5, 9, 1, 0, 2, 4, 5, 6, 1, 2, 8, 2, 0, 1, 8, 0, 2, 8, 8, 7, 8, 3, 6, 2, 8, 8, 4, 6, 0, 8, 9, 4, 6, 7, 2, 3, 5, 8, 9, 2, 7, 4, 0, 0, 4, 7, 6
Offset: 1
Examples
1.1976226087563797890813284298421039858218935910...
Links
- Paolo Xausa, Table of n, a(n) for n = 1..10000
- Eric Weisstein's World of Mathematics, Pentakis Dodecahedron.
- Wikipedia, Pentakis dodecahedron.
Programs
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Mathematica
First[RealDigits[ArcCos[(9*GoldenRatio - 8)/18], 10, 100]]
Comments