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 A268604 #9 Mar 09 2016 13:19:48 %S A268604 4,5,5,9,0,1,4,1,1,3,9,0,9,5,5,5,2,8,3,9,8,7,1,2,6,5,0,3,9,2,7,2,7,2, %T A268604 0,1,2,3,8,0,6,4,0,6,9,3,3,2,3,8,6,1,9,1,1,6,6,7,7,3,1,9,2,2,2,0,1,9, %U A268604 3,3,3,9,9,0,2,6,2,8,3,6,2,9,5,6,6,4,6,3,6,8,4 %N A268604 Decimal expansion of 6/sqrt(sqrt(3)). %C A268604 This is the smallest possible perimeter index P/sqrt(A), with P being the perimeter and A the enclosed area, among all triangles, and sets of triangles, in the Euclidean plane. The minimum value is attained by a single equilateral triangle. See also A019707. %H A268604 Stanislav Sykora, <a href="/A268604/b268604.txt">Table of n, a(n) for n = 1..2000</a> %e A268604 4.559014113909555283987126503927272012380640693323861911667731922... %t A268604 RealDigits[6/Sqrt[Sqrt[3]], 10, 100][[1]] (* _Bruno Berselli_, Feb 09 2016 *) %o A268604 (PARI) a=6/sqrt(sqrt(3)) %Y A268604 Cf. A011002, A019707. %K A268604 nonn,cons %O A268604 1,1 %A A268604 _Stanislav Sykora_, Feb 08 2016