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 A374154 #11 Jul 09 2024 19:40:57 %S A374154 1,2,4,10,28,96,384,1848,10432,70560,564224,5386080 %N A374154 Number of domino tilings of the order n Aztec diamond which are diagonally and antidiagonally symmetric. %H A374154 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 A374154 Finding a closed-form formula for a(n) is an open problem. %Y A374154 Cf. A006125, A005163, A372145, A374153. %K A374154 nonn,more %O A374154 0,2 %A A374154 _Ludovic Schwob_, Jun 29 2024