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 A145211 #4 Oct 13 2013 20:21:48 %S A145211 1,4,14,54,197,792 %N A145211 Maximal number of distinct shuffles of the identity permutation on n letters with another permutation on n letters. %C A145211 For n=4,5,6, the maximum number is achieved by the following permutations, respectively: 3412, 34512, 456123. %D A145211 C. Smith, dissertation, Harvard University, forthcoming. %e A145211 For n=2, the distinct shuffles of 12 with 21 are: 1221, 1212, 2112, 2121. %K A145211 nonn %O A145211 1,2 %A A145211 _Camillia Smith Barnes_, Oct 04 2008