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 A361217 #5 Mar 11 2023 08:38:28 %S A361217 1,4,56,5752,2519124,6126859968 %N A361217 Maximum number of ways in which a set of integer-sided rectangular pieces can tile an n X n square. %C A361217 Tilings that are rotations or reflections of each other are considered distinct. %Y A361217 Main diagonal of A361216. %Y A361217 Cf. A360630, A361222. %K A361217 nonn,more %O A361217 1,2 %A A361217 _Pontus von Brömssen_, Mar 05 2023