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 A099321 #5 Mar 18 2017 16:13:46 %S A099321 1,1,1,12,59,5678334 %N A099321 Number of isotopy classes of Latin cubes of order n. %D A099321 Jia, Xiong Wei and Qin, Zhong Ping, The number of Latin cubes and their isotopy classes, J. Huazhong Univ. Sci. Tech. 27 (1999), no. 11, 104-106. MathSciNet #MR1751724. %D A099321 B. D. McKay and I. M. Wanless, A census of small latin hypercubes, SIAM J. Discrete Math. 22, (2008) 719-736. %D A099321 Mullen, Gary L.; and Weber, Robert E., Latin cubes of order <= 5, Discrete Math. 32 (1980), no. 3, 291-297. %Y A099321 Cf. A098843, A098679, A098846. %K A099321 hard,nonn %O A099321 1,4 %A A099321 _Brendan McKay_ and Weifa Liang (wliang(AT)users.cecs.anu.edu.au), Nov 18 2004 %E A099321 Corrected and extended to a(6) by _Brendan McKay_ and _Ian Wanless_, Apr 28 2008