OFFSET
1,1
COMMENTS
Great icosahedron: 20 faces, 12 vertices, and 30 edges.
LINKS
Eric Weisstein's World of Mathematics, Great Icosahedron
Wikipedia, Great Icosahedron
FORMULA
Digits of 5/12 * (3-sqrt(5)).
EXAMPLE
0.31830500937508762649617763802863490189974235016186428155379281441228294...
MATHEMATICA
RealDigits[N[5*(Sqrt[5]-3)/12, 105]][[1]]
CROSSREFS
KEYWORD
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jul 14 2010
EXTENSIONS
Partially rewritten by Charles R Greathouse IV, Feb 02 2011
STATUS
approved