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 A185093 #31 Aug 04 2025 18:52:00 %S A185093 4,1,6,1,5,3,2,3,7,8,2,4,9,7,9,6,7,0,6,5,2,8,8,6,7,8,7,9,7,7,3,5,6,7, %T A185093 0,2,7,5,9,2,5,9,7,7,4,7,6,2,4,4,7,4,8,6,6,7,9,5,2,0,0,6,7,0,5,6,3,5, %U A185093 0,3,5,6,1,4,4,9,8,7,8,0,6,9,4,3,3,9 %N A185093 Decimal expansion of the volume of small rhombicosidodecahedron with edge = 1. %C A185093 Small Rhombicosidodecahedron: 62 faces, 60 vertices, and 120 edges. %C A185093 Surface Area = 30+sqrt(30*(10+3*sqrt(5)+sqrt(75+30*sqrt(5)))) = 59.30598284491... %C A185093 Circumradius = sqrt(11+4*sqrt(5))/2 = 2.23295050941569004950041538324968277293... %C A185093 Midradius = sqrt(10+4*sqrt(5))/2 = 2.17625089948282151110005286599776788019807... %C A185093 Quadratic number with denominator 3 and minimal polynomial 9x^2 - 360x - 605. - _Charles R Greathouse IV_, Apr 25 2016 %H A185093 G. C. Greubel, <a href="/A185093/b185093.txt">Table of n, a(n) for n = 2..5001</a> [Offset adapted by _Georg Fischer_, Oct 18 2021] %e A185093 41.6153237824979670652886787977356702759259774762447486679520... %t A185093 RealDigits[N[20 + (29*Sqrt[5])/3, 200]][[1]] %t A185093 RealDigits[PolyhedronData["Rhombicosidodecahedron","Volume"],10,100][[1]] (* _Harvey P. Dale_, Aug 04 2025 *) %o A185093 (PARI) 29*sqrt(5)/3+20 \\ _Charles R Greathouse IV_, Oct 01 2012 %Y A185093 Cf. A102208, A179290, A179292. %K A185093 nonn,cons %O A185093 2,1 %A A185093 _Vladimir Joseph Stephan Orlovsky_, Feb 04 2012 %E A185093 Offset changed by _Georg Fischer_, Jul 29 2021