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 A385695 #11 Jul 13 2025 07:07:07 %S A385695 7,9,6,4,6,2,1,7,9,3,0,2,0,4,5,6,5,3,9,3,9,9,7,6,9,4,8,9,8,1,0,2,0,3, %T A385695 2,5,5,1,6,4,4,4,1,2,2,7,6,3,7,3,1,6,9,2,2,6,5,2,0,2,4,2,3,1,3,6,0,5, %U A385695 1,6,6,5,8,4,3,4,4,0,0,4,4,4,7,8,4,1,5,9,1,4 %N A385695 Decimal expansion of the volume of an augmented dodecahedron with unit edge. %C A385695 The augmented dodecahedron is Johnson solid J_58. %H A385695 Paolo Xausa, <a href="/A385695/b385695.txt">Table of n, a(n) for n = 1..10000</a> %H A385695 Wikipedia, <a href="https://en.wikipedia.org/wiki/Augmented_dodecahedron">Augmented dodecahedron</a>. %F A385695 Equals (95 + 43*sqrt(5))/24 = (95 + 43*A002163)/24. %F A385695 Equals A102769 + A179552. %F A385695 Equals the largest root of 144*x^2 - 1140*x - 55. %e A385695 7.9646217930204565393997694898102032551644412276373... %t A385695 First[RealDigits[(95 + 43*Sqrt[5])/24, 10, 100]] (* or *) %t A385695 First[RealDigits[PolyhedronData["J58", "Volume"], 10, 100]] %Y A385695 Cf. A385696 (surface area). %Y A385695 Cf. A002163, A102769, A179552, A385802, A385804. %K A385695 nonn,cons,easy %O A385695 1,1 %A A385695 _Paolo Xausa_, Jul 08 2025