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 A087616 #8 Apr 26 2024 09:36:55 %S A087616 0,0,1,26,2491 %N A087616 Number of unlabeled cyclic preferences/voting outcomes, indifference and undecidedness/incompleteness permitted (Social Choice Theory). %H A087616 Jobst Heitzig, <a href="https://arxiv.org/abs/math/0201285">Social Choice Under Incomplete, Cyclic Preferences</a>, arXiv:math/0201285 [math.CO], 2002. %F A087616 Equals A000273 - A087614. %Y A087616 Cf. A087615 for the labeled analog, A003087, A087614, A000273. %K A087616 nonn,more %O A087616 1,4 %A A087616 Detlef Pauly (dettodet(AT)yahoo.de), Sep 12 2003