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 A350017 #13 Dec 10 2021 11:09:11 %S A350017 1,1,1,6,396,526915616,1132835421602062347 %N A350017 Number of isotopism classes containing symmetric unipotent reduced Latin squares of order 2n. %C A350017 Isotopism classes are obtained by permuting rows, permuting columns and permuting symbols. There is a stronger notion of equivalence called "species" (also known as main classes and paratopism classes). For this particular problem the counts for species equal the counts for isotopism classes. %H A350017 Brendan D. McKay and Ian M. Wanless, <a href="https://doi.org/10.1002/jcd.21814">Enumeration of Latin squares with conjugate symmetry</a>, J. Combin. Des. 30 (2022), 105-130. %Y A350017 For odd n the terms equal A000474. %Y A350017 Cf. A350009. %K A350017 nonn,more %O A350017 1,4 %A A350017 _Ian Wanless_, Dec 08 2021