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 A087613 #15 Apr 26 2024 14:31:44 %S A087613 1,4,62,3608,765664,577696816 %N A087613 Number of labeled acyclic preferences/voting outcomes, indifference and undecidedness/incompleteness permitted (Social Choice Theory). %H A087613 Jobst Heitzig, <a href="https://arxiv.org/abs/math/0201285">Social Choice Under Incomplete, Cyclic Preferences</a>, arXiv:math/0201285 [math.CO], 2002. %Y A087613 Cf. A087614 for the unlabeled analog, A003024, A087615. %K A087613 nonn,more %O A087613 1,2 %A A087613 Detlef Pauly (dettodet(AT)yahoo.de), Sep 12 2003