This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A179453 #6 Apr 25 2016 10:56:40 %S A179453 1,4,6,3,5,2,5,4,9,1,5,6,2,4,2,1,1,3,6,1,5,3,4,4,0,1,2,5,7,7,4,2,2,8, %T A179453 5,8,8,2,9,0,2,3,1,8,8,4,8,5,4,3,2,2,1,4,6,6,0,1,5,8,6,4,6,7,0,2,8,9, %U A179453 4,5,3,4,7,1,1,4,1,7,6,8,3,7,2,8,0,4,0,5,4,0,3,1,4,2,0,4,3,3,5,3,1,1,3,5,6 %N A179453 Decimal expansion of the inradius of an icosidodecahedron with edge length 1. %C A179453 Icosidodecahedron: 32 faces, 30 vertices, and 60 edges. %H A179453 <a href="http://www.wolframalpha.com/input/?i=Icosidodecahedron">Icosidodecahedron</a> %F A179453 Digits of (5+3*sqrt(5))/8. %e A179453 1.46352549156242113615344012577422858829023188485432214660158646702894... %t A179453 RealDigits[N[(5+3*Sqrt[5])/8,200]] %o A179453 (PARI) (sqrt(45)+5)/8 \\ _Charles R Greathouse IV_, Apr 25 2016 %Y A179453 Cf. A001622, A010527, A102208, A179290, A179292, A179294, A179449, A179450, A179451, A179452. %K A179453 nonn,cons,easy %O A179453 1,2 %A A179453 _Vladimir Joseph Stephan Orlovsky_, Jul 14 2010