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 A152511 #6 May 12 2020 16:26:20
%S A152511 0,1,4194,5825786,5682784528,4873147413516,3978083870212150,
%T A152511 3186605615943562016,2534375865966184697328,2010275266425805924583168,
%U A152511 1593002777198909770195152928,1261900375041824878511515546368,999492236937050258502770760302080,791616311022376735886612880860890112
%N A152511 1/60 of the number of permutations of 5 indistinguishable copies of 1..n with exactly 4 local maxima.
%H A152511 Andrew Howroyd, <a href="/A152511/b152511.txt">Table of n, a(n) for n = 1..200</a>
%o A152511 (PARI) \\ PeaksBySig defined in A334774.
%o A152511 a(n) = {PeaksBySig(vector(n,i,5), [3])[1]/60} \\ _Andrew Howroyd_, May 12 2020
%Y A152511 Cf. A152509, A334774.
%K A152511 nonn
%O A152511 1,3
%A A152511 _R. H. Hardin_, Dec 06 2008
%E A152511 Terms a(7) and beyond from _Andrew Howroyd_, May 12 2020