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 A218322 #6 Jan 30 2016 18:26:28 %S A218322 1,-5,49,14641,-371293,-410338673,16983563041,124279533640947, %T A218322 -82085029703668817512,6812495416987166882889, %U A218322 -16890053810563300749953435929,-531714676529925182191868570093681,98548851401030959947062957685234211,4247541973383735863138308138153477847255,-62534081783371829558502906501683809565833328077,1581923629964045589238110056212521488781448927448053161 %N A218322 Maillet determinant for prime(n). %H A218322 Wikipedia, <a href="http://en.wikipedia.org/wiki/Maillet%27s_determinant">Maillet's determinant</a> %F A218322 a(n) = (-p)^((p-3)/2) * h^-(p) = (-1)^((p-3)/2) * A203411(n) * A000927(n), where p=A000040(n). %o A218322 (PARI) a(n) = p=prime(n); matdet(matrix((p-1)/2,(p-1)/2,i,j,(i/j)%p)) %Y A218322 Cf. A055513, A203411, A000927, A088922. %K A218322 sign %O A218322 2,2 %A A218322 _Max Alekseyev_, Oct 25 2012