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 A362642 #6 Apr 30 2023 23:16:39 %S A362642 1,1,2,4,13,47,255,1810,18471,266931 %N A362642 Number of nonisomorphic magmas with n elements satisfying the equations (xy)y = x and x(yz) = xy. %Y A362642 Cf. A001329 (magmas), A361720, A362382, A362385, A362643 (labeled case). %K A362642 nonn,more %O A362642 0,3 %A A362642 _Andrew Howroyd_, Apr 28 2023