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 A099221 #13 Jul 14 2014 16:52:49 %S A099221 5,0,2,0,1,4,5,6,3,3,2,4,7,0,8,4,9,4,5,6,7,4,8,9,2,9,5,6,4,0,7,0,7,0, %T A099221 3,6,2,8,0,1,8,8,1,5,2,4,8,9,7,8,8,7,3,4,2,7,2,1,7,5,6,5,9,5,6,3,5,4, %U A099221 5,0,6,6,3,5,9,1,9,9,3,1,9,6,5,0,7,8,3,2,0,5,0,4,9,0,9,4,8,4,7,7,9,6,8,6 %N A099221 Decimal expansion of Li_7(1/2). %F A099221 Li_7(1/2)=sum(k>0, 1/2^k/k^7)=0.50201456332470849456.... %t A099221 RealDigits[ N[ PolyLog[7, 1/2], 105]][[1]] (* _Jean-François Alcover_, Nov 07 2012 *) %o A099221 (PARI) polylog(7,1/2) \\ _Charles R Greathouse IV_, Jul 14 2014 %Y A099221 Cf. A076788, A099217, A099218, A099219, A099220, A099222, A099223, A099224. %K A099221 cons,nonn %O A099221 0,1 %A A099221 _Benoit Cloitre_, Oct 06 2004 %E A099221 Formula value corrected and leading zero removed by _R. J. Mathar_, Feb 05 2009