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 A131266 #25 Jan 01 2016 20:15:52 %S A131266 7,6,4,3,0,4,1,3,8,8,4,5,6,8,8,1,9,7,2,0,5,6,2,4,9,9,9,0,4,0,6,0,0,0, %T A131266 1,6,9,0,4,5,5,6,2,3,7,1,1,5,0,4,9,0,6,1,3,0,3,9,2,5,7,6,6,7,8,0,8,6, %U A131266 1,4,1,7,1,3,2,9,2,4,4,5,1,7,1,3,8,1,1,5,2,8,7,4,9,6,7,8,8,1,2,8,7,7,5,3,4 %N A131266 Decimal expansion of 2*sqrt(3)*log(2)/Pi. %C A131266 Also: a constant describing the peak location of the density of states of the minimal difference partition problem in the fermionic case [Comtet et al.]. %H A131266 Gheorghe Coserea, <a href="/A131266/b131266.txt">Table of n, a(n) for n = 0..12345</a> %H A131266 A. Comtet, S. N. Majumdar and S. Ouvry, <a href="http://arXiv.org/abs/0705.2640">Integer Partitions and Exclusion Statistics</a>, arXiv:0705.2640 [cond-mat.stat-mech], 2007, eq (6). %F A131266 Equals A010469*A002162/A000796. %F A131266 Equals lim A257639(n)/sqrt(n) when n tends to infinity. %e A131266 0.76430413884568819720562499904060001690455623711504906130392... %t A131266 RealDigits[Sqrt[3] Log[4]/Pi, 10, 111][[1]] (* _Robert G. Wilson v_, Nov 08 2015 *) %o A131266 (PARI) print(2*sqrt(3)*log(2)/Pi); %o A131266 (PARI) default(realprecision, 60); %o A131266 eval(vecextract(Vec(Str(2*sqrt(3)*log(2)/Pi)), "3..-2")) \\ _Gheorghe Coserea_, Nov 07 2015 %Y A131266 Cf. A030699, A257639. %K A131266 cons,easy,nonn %O A131266 0,1 %A A131266 _R. J. Mathar_, Sep 28 2007 %E A131266 Leading zero removed by _R. J. Mathar_, Feb 06 2009