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 A232811 #15 Aug 21 2023 11:40:13 %S A232811 5,7,1,9,1,0,5,7,5,7,9,8,1,6,1,9,4,4,2,5,4,4,4,5,3,9,7,2,3,9,6,5,6,2, %T A232811 9,4,6,6,3,7,4,4,2,5,6,7,9,0,2,0,8,1,2,3,9,6,5,5,8,5,7,2,4,1,5,5,2,5, %U A232811 0,7,1,7,4,3,8,6,1,7,0,2,4,8,0,4,1,8,1,1,4,3,0,3,9,2,0,8,1,6,7,7,6,5,3,2,3 %N A232811 Decimal expansion of the surface index of a regular octahedron. %C A232811 Equivalently, the surface area of a regular octahedron with unit volume. Among Platonic solids, surface indices decrease with increasing number of faces: A232812 (tetrahedron), 6.0 (cube = hexahedron), this one, A232810 (dodecahedron), and A232809 (icosahedron). %C A232811 An algebraic integer of degree 6 with minimal polynomial x^6 - 34992. - _Charles R Greathouse IV_, Apr 25 2016 %H A232811 Stanislav Sykora, <a href="/A232811/b232811.txt">Table of n, a(n) for n = 1..1000</a> %H A232811 Wikipedia, <a href="http://en.wikipedia.org/wiki/Platonic_solid">Platonic solid</a> %H A232811 <a href="/index/Al#algebraic_06">Index entries for algebraic numbers, degree 6</a> %F A232811 sqrt(3)*6^(2/3). %F A232811 A010469/A131594^(2/3). %e A232811 5.7191057579816194425444539723965629466374425679... %t A232811 RealDigits[Sqrt[3]Surd[36,3],10,120][[1]] (* _Harvey P. Dale_, Mar 12 2015 *) %o A232811 (PARI) sqrtn(34992,6) \\ _Charles R Greathouse IV_, Apr 25 2016 %Y A232811 Cf. A010469, A131594, A232808 (surface index for a sphere), A232809, A232810, A232812. %K A232811 nonn,cons,easy %O A232811 1,1 %A A232811 _Stanislav Sykora_, Dec 01 2013