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 A336764 #13 Oct 05 2020 05:06:31 %S A336764 0,0,1,0,0,4,7 %N A336764 Maximum number of order 3 subsquares in a Latin square of order n. %C A336764 A subsquare of a Latin square is a submatrix (not necessarily consisting of adjacent entries) which is itself a Latin square. (I. M. Wanless, Latin Squares with One Subsquare, Wiley and Sons) %H A336764 R. Bean, <a href="https://www.researchgate.net/publication/2416446_Critical_Sets_in_Latin_Squares_and_Associated_Structures">Critical sets in Latin squares and Associated Structures</a>, Ph.D. Thesis, The University of Queensland, 2001. %H A336764 K. Heinrich and W. Wallis, <a href="https://doi.org/10.1007/BFb0091822">The Maximum Number of Intercalates in a Latin Square</a>, Combinatorial Math. VIII, Proc. 8th Australian Conf. Combinatorics, 1980, 221-233. %H A336764 I. M. Wanless, <a href="http://users.monash.edu.au/~iwanless/abstracts/uniqsbsq.html">Latin Squares with One Subsquare</a>, Journal of Combinatorial Designs, 9 (2001), 128-146. %F A336764 a(3^n) = 9*a(3^(n-1)) + 27^(n-1) (conjectured). %Y A336764 Cf. A092237, A091323, A090741, A307163, A307164. %K A336764 nonn,hard,more %O A336764 1,6 %A A336764 _Omar Aceval Garcia_, _Cameron Byer_, _Eugene Fiorini_, _Nicholas Hanson_, _Brian G. Kronenthal_, _Lindsey Wise_, Aug 03 2020