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 A374153 #12 Jul 09 2024 12:44:02 %S A374153 1,2,6,24,132,1048,11960,190912,4262928,135524512,6141436768 %N A374153 Number of domino tilings of the order n Aztec diamond which are diagonally symmetric. %H A374153 Yi-Lin Lee, <a href="https://arxiv.org/abs/2303.02750">Off-diagonally symmetric domino tilings of the Aztec diamond</a>, arXiv:2303.02750 [math.CO], 2023. %F A374153 Finding a closed-form formula for a(n) is an open problem. %Y A374153 Cf. A006125, A005163, A372145, A374154. %K A374153 nonn,more %O A374153 0,2 %A A374153 _Ludovic Schwob_, Jun 29 2024