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 A361526 #8 Mar 19 2023 08:29:16 %S A361526 1,6,61,892,9235,406653,9252097,211703640 %N A361526 Number of ways of dividing an n X 4 rectangle into integer-sided rectangles, up to rotations and reflections. %F A361526 a(n) >= A220297(n)/4 for n != 4. %F A361526 a(n) ~ A220297(n)/4. %Y A361526 Fourth column of A361523. %Y A361526 Cf. A220297 (rotations and reflections are considered distinct), A359020 (square pieces). %K A361526 nonn,more %O A361526 0,2 %A A361526 _Pontus von Brömssen_, Mar 15 2023