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 A266169 #22 Dec 10 2021 11:09:01 %S A266169 1,0,1,1,2,0,14,11887,550907773 %N A266169 Number of trisotopism classes of unordered pairs of orthogonal Latin squares. %C A266169 The following operations produce things that are counted as equivalent: simultaneous permutation of the rows or columns of both squares; permutation of the symbols within either square; interchanging the squares; transposing both squares. %H A266169 J. Egan and I. M. Wanless, <a href="http://dx.doi.org/10.1090/mcom/3010">Enumeration of MOLS of small order</a>, Mathematics of Computation 85, 2016, 799-824. %H A266169 Ian Wanless, <a href="http://users.monash.edu.au/~iwanless/data/MOLS/">Data on MOLS</a> %Y A266169 Cf. A266166, A266167, A266168. %K A266169 nonn,more %O A266169 1,5 %A A266169 _Ian Wanless_, Dec 22 2015