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 A179593 #6 Feb 11 2025 15:17:06 %S A179593 6,9,1,7,7,6,2,9,6,8,1,2,4,7,0,2,0,6,9,9,1,2,9,9,6,0,3,0,7,0,2,6,4,1, %T A179593 3,3,3,5,4,0,8,7,6,0,0,9,4,4,9,6,6,1,4,4,2,7,1,7,1,0,4,4,3,0,9,9,8,2, %U A179593 3,7,9,7,7,9,8,6,8,9,0,2,7,4,1,7,0,4,2,0,4,1,1,8,6,9,9,4,1,5,5,6,2,0,6,8,0 %N A179593 Decimal expansion of the volume of pentagonal rotunda with edge length 1. %C A179593 Pentagonal rotunda: 20 vertices, 35 edges, and 17 faces. %H A179593 Wolfram Alpha, <a href="http://www.wolframalpha.com/input/?i=Johnson+solid+6">Johnson solid 6</a> %H A179593 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>. %F A179593 Digits of (45+17*sqrt(5))/12. %e A179593 6.91776296812470206991299603070264133354087600944966144271710443099823... %t A179593 RealDigits[N[(45+17*Sqrt[5])/12,200]] %Y A179593 Cf. A001622, A010527, A102208, A179290, A179292, A179294, A179449, A179450, A179451, A179452, A179552, A179553, A019881, A179587, A179588, A179589, A179590, A179591, A179592. %K A179593 nonn,cons,easy %O A179593 1,1 %A A179593 _Vladimir Joseph Stephan Orlovsky_, Jul 19 2010