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 A176077 #30 Jun 22 2017 14:33:34 %S A176077 1,1,2,3,4,8,6,15,14,14,10,61,12,25,33,142,16,203,18,266,94,127,22 %N A176077 Number of isomorphism classes of homogeneous quandles of order n. %C A176077 A homogeneous quandle is a quandle whose automorphism group acts transitively on the elements of the quandle. %H A176077 David Joyce, <a href="http://dx.doi.org/10.1016/0022-4049(82)90077-9">A classifying invariant of knots, the knot quandle</a>, J. Pure Appl. Algebra 23 (1982) 37-65 %H A176077 Sam Nelson, <a href="http://www1.cmc.edu/pages/faculty/VNelson/quandles.html">Quandles and Racks</a> %H A176077 Wikipedia, <a href="http://en.wikipedia.org/wiki/Quandles">Quandles</a>. %e A176077 a(2) = 1 since for order 2 there is only the trivial quandle with product x*y=x for all x,y. The trivial quandle has automorphism group S_2 which acts transitively on the two element quandle. %Y A176077 Cf. A181771, A181769. %K A176077 nonn,hard,more %O A176077 1,3 %A A176077 _W. Edwin Clark_, Dec 06 2010 %E A176077 More terms from _James McCarron_, Aug 26 2011