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 A179592 #8 Feb 11 2025 15:17:27 %S A179592 2,2,3,2,9,5,0,5,0,9,4,1,5,6,9,0,0,4,9,5,0,0,4,1,5,3,8,3,2,4,9,6,8,2, %T A179592 7,7,2,9,3,4,0,8,0,7,3,0,5,7,9,1,8,1,6,4,7,4,5,7,4,4,1,2,6,0,8,2,5,5, %U A179592 6,5,8,9,4,9,0,1,6,4,3,8,2,8,9,6,2,4,5,1,9,5,0,6,0,9,2,7,3,7,3,8,5,6,4,7,4 %N A179592 Decimal expansion of the circumradius of pentagonal cupola with edge length 1. %C A179592 Pentagonal cupola: 15 vertices, 25 edges, and 12 faces. %H A179592 Wolfram Alpha, <a href="http://www.wolframalpha.com/input/?i=Johnson+solid+5">Johnson solid 5</a> %H A179592 <a href="/index/Al#algebraic_04">Index entries for algebraic numbers, degree 4</a>. %F A179592 Digits of sqrt(11+4*sqrt(5))/2. %e A179592 2.232950509415690049500415383249682772934080730579181647457441260... %t A179592 RealDigits[N[Sqrt[11+4*Sqrt[5]]/2,200]] %Y A179592 Cf. A001622, A010527, A102208, A179290, A179292, A179294, A179449, A179450, A179451, A179452, A179552, A179553, A019881, A179587, A179588, A179589, A179590, A179591. %K A179592 nonn,cons,easy %O A179592 1,1 %A A179592 _Vladimir Joseph Stephan Orlovsky_, Jul 19 2010