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 A143148 #18 Jun 12 2017 17:26:07 %S A143148 5,1,0,6,4,6,1,1,8,9,1,3,8,3,3,8,2,7,7,6,3,1,3,0,9,5,6,7,1,6,0,0,8,7, %T A143148 9,1,6,4,9,0,9,9,0,4,7,8,9,1,1,1,6,3,6,1,8,1,2,3,8,5,0,6,1,9,7,8,4,4, %U A143148 2,1,4,5,1,5,1,1,0,6,3,5,3,2,8,1,6,0,2,9,8,7,4,0,1,3,5,2,8,7,8,6 %N A143148 Decimal expansion of lower bound using Shannon entropy arising in randomly projected hypercubes. %H A143148 David L. Donoho and Jared Tanner, <a href="http://arxiv.org/abs/0807.3590">Counting the Faces of Randomly-Projected Hypercubes and Orthants, with Applications</a>, arXiv:0807.3590 [math.MG], 2008. %F A143148 Equals (16/25)*(2/Pi)^(1/2). %e A143148 0.5106461189138... %t A143148 RealDigits[16/25*Sqrt[2/Pi],10,120][[1]] (* _Harvey P. Dale_, Nov 29 2012 *) %Y A143148 Cf. A143149. %K A143148 cons,easy,nonn %O A143148 0,1 %A A143148 _Jonathan Vos Post_, Jul 27 2008 %E A143148 Leading zero removed and offset adjusted by _R. J. Mathar_, Feb 05 2009