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 A179290 Decimal expansion of length of edge of a regular icosahedron with radius of circumscribed sphere = 1. 24
 1, 0, 5, 1, 4, 6, 2, 2, 2, 4, 2, 3, 8, 2, 6, 7, 2, 1, 2, 0, 5, 1, 3, 3, 8, 1, 6, 9, 6, 9, 5, 7, 5, 3, 2, 1, 4, 5, 7, 0, 9, 9, 5, 8, 6, 4, 4, 8, 6, 6, 8, 3, 5, 6, 3, 0, 5, 7, 8, 7, 1, 0, 4, 6, 4, 8, 2, 4, 2, 2, 2, 9, 2, 8, 0, 6, 4, 2, 8, 0, 3, 6, 7, 4, 3, 2, 6, 5, 2, 5, 7, 6, 6, 3, 1, 0, 5, 1, 4, 1, 9, 1, 3, 3, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Regular icosahedron: A three dimensional figure with 20 congruence equilateral triangle faces, 12 vertices, and 30 edges. LINKS J. Brandts, S. Korotov, M. Krizek, J. Solc, On nonobtuse simplicial partitions, Siam Rev. 51 (2) (2009) 317-335 "Dr. Math", Regular Polyhedra: Formulas Wikipedia, Icosahedron Eric Weisstein's World of Mathematics, Icosahedron FORMULA Digits of sqrt(50-10*sqrt(5))/5. EXAMPLE 1.051462224238267212051338169695753214570995864486683563057871046482422... MATHEMATICA R=1; RealDigits[N[(Sqrt[50-10*Sqrt[5]]/5)*R, 175]] CROSSREFS Cf. A010527, A102208. Sequence in context: A200022 A216157 A216851 * A167864 A232809 A011301 Adjacent sequences:  A179287 A179288 A179289 * A179291 A179292 A179293 KEYWORD nonn,cons,easy AUTHOR Vladimir Joseph Stephan Orlovsky, Jul 09 2010 EXTENSIONS Partially rewritten by Charles R Greathouse IV, Feb 02 2011. STATUS approved

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Last modified December 3 14:45 EST 2016. Contains 278745 sequences.