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 A364481 #11 Aug 05 2023 13:04:12 %S A364481 4,224,168960,1705639936,229940737867776,413561647491497066496, %T A364481 9918120959299139713735065600 %N A364481 The number of stones-and-bones tilings of the (3n+1,3n+1)-benzel when one orientation of bone is forbidden. %C A364481 See Problem 9 of the Propp article. It is conjectured that a(n) is 2-adically continuous as a function of n. %H A364481 James Propp, <a href="https://arxiv.org/abs/2206.06472">Trimer covers in the triangular grid: twenty mostly open problems</a>, arXiv:2206.06472 [math.CO], 2022. %Y A364481 Cf. A352207, A364482, A364483, A364416, A364417, A364418, A364438. %K A364481 nonn,more %O A364481 1,1 %A A364481 _James Propp_, Jul 26 2023