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 A292790 #28 Jul 23 2025 15:42:31 %S A292790 1,1,1,2,4,9,22,60,174,534,1720,5767,20013,71545 %N A292790 Congruence-uniform lattices on n unlabeled nodes. %C A292790 A lattice is congruence-uniform if it can be constructed from the singleton-lattice by a sequence of interval doublings. %H A292790 A. Day, <a href="http://dx.doi.org/10.4153/CJM-1979-008-x">Characterizations of finite lattices that are bounded-homomorphic images or sublattices of free lattices</a>, Canadian Journal of Mathematics, 31 (1979), 617-631. %H A292790 H. Mühle, <a href="https://arxiv.org/abs/1708.02104">On the lattice property of shard orders</a>, arXiv:1708.02104 [math.CO], 2017. %K A292790 nonn,more %O A292790 1,4 %A A292790 _Henri Mühle_, Sep 25 2017 %E A292790 a(13)-a(14) from _Henri Mühle_, Aug 29 2019