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 A159725 #6 May 14 2020 16:56:24
%S A159725 0,0,0,45888,72621240,44981038296,18389612809680,6040299916376448,
%T A159725 1749772454946512832,469799260595276780160,120267085682566659944448,
%U A159725 29853755210933389459501056,7260112922454133870956552192,1740894557985015492853351907328,413292356519150082930093737902080
%N A159725 Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 5 local maxima.
%H A159725 Andrew Howroyd, <a href="/A159725/b159725.txt">Table of n, a(n) for n = 1..200</a>
%o A159725 (PARI) \\ CircPeaksBySig defined in A334778.
%o A159725 a(n) = {CircPeaksBySig(vector(n, i, 3), [5])[1]} \\ _Andrew Howroyd_, May 14 2020
%Y A159725 Cf. A159721, A159722, A334778.
%K A159725 nonn
%O A159725 1,4
%A A159725 _R. H. Hardin_, Apr 20 2009
%E A159725 Terms a(8) and beyond from _Andrew Howroyd_, May 14 2020