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 A377795 #8 Nov 08 2024 11:38:14 %S A377795 2,1,7,6,2,5,0,8,9,9,4,8,2,8,2,1,5,1,1,1,0,0,0,5,2,8,6,5,9,9,7,7,6,7, %T A377795 8,8,0,1,9,8,0,7,3,1,9,1,5,8,9,3,2,9,9,4,7,2,3,0,1,0,1,7,4,5,9,2,4,8, %U A377795 3,3,2,0,0,9,7,2,0,7,6,8,0,9,5,0,7,6,7,9,1,8 %N A377795 Decimal expansion of the midradius of a (small) rhombicosidodecahedron with unit edge length. %H A377795 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SmallRhombicosidodecahedron.html">Small Rhombicosidodecahedron</a>. %H A377795 Wikipedia, <a href="https://en.wikipedia.org/wiki/Rhombicosidodecahedron">Rhombicosidodecahedron</a>. %F A377795 Equals sqrt(5/2 + sqrt(5)) = sqrt(5/2 + A002163). %e A377795 2.1762508994828215111000528659977678801980731915893... %t A377795 First[RealDigits[Sqrt[5/2 + Sqrt[5]], 10, 100]] (* or *) %t A377795 First[RealDigits[PolyhedronData["Rhombicosidodecahedron", "Midradius"], 10, 100]] %Y A377795 Cf. A344149 (surface area), A185093 (volume), A179592 (circumradius), A377606 (Dehn invariant, negated). %Y A377795 Cf. A002163. %K A377795 nonn,cons,easy %O A377795 1,1 %A A377795 _Paolo Xausa_, Nov 08 2024