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 A099218 #18 Sep 17 2018 09:00:18 %S A099218 5,1,7,4,7,9,0,6,1,6,7,3,8,9,9,3,8,6,3,3,0,7,5,8,1,6,1,8,9,8,8,6,2,9, %T A099218 4,5,6,2,2,3,7,7,4,7,5,1,4,1,3,7,9,2,5,8,2,4,4,3,1,9,3,4,7,9,7,7,0,0, %U A099218 8,2,8,1,5,8,1,8,6,4,9,7,6,9,3,6,4,8,5,7,7,7,8,2,6,5,6,0,9,0,0,6,4,7,7,2 %N A099218 Decimal expansion of Li_4(1/2). %D A099218 Alexander Apelblat, Tables of Integrals and Series, Harri Deutsch, (1996), Section 1.3.2. %H A099218 G. Rutledge, R. D. Douglass, <a href="http://dx.doi.org/10.2307/2303745">Table of definite integrals</a>, Am. Math. Monthly 45 (8) (1938) 525-530, eq. (22). %F A099218 Li_4(1/2)=sum(k>0, 1/2^k/k^4)=0.5174790616738993863... %p A099218 polylog(4,1/2) ; evalf(%) ; # _R. J. Mathar_, Feb 15 2013 %t A099218 RealDigits[ N[ PolyLog[4, 1/2], 104]][[1]] (* _Jean-François Alcover_, Nov 07 2012 *) %o A099218 (PARI) polylog(4,1/2) \\ _Charles R Greathouse IV_, Jul 14 2014 %Y A099218 Cf. A076788, A099217, A099219, A099220, A099221, A099222, A099223, A099224. %K A099218 cons,nonn %O A099218 0,1 %A A099218 _Benoit Cloitre_, Oct 06 2004 %E A099218 Leading zero removed, formula value corrected by _R. J. Mathar_, Feb 05 2009