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 A248383 #4 Oct 15 2014 23:33:30
%S A248383 1,5,177,2856,147855,9845829
%N A248383 Number of n-strand braids of length at most 3 in the dual monoid B_n^{+*}.
%H A248383 Philippe Biane, Patrick Dehornoy, <a href="http://arxiv.org/abs/1407.1604">Dual Garside structure of braids and free cumulants of products</a>, arXiv:1407.1604 [math.CO], (7-July-2014)
%Y A248383 Cf. A000108, A168344, A248382-A248386.
%K A248383 nonn,more
%O A248383 1,2
%A A248383 _N. J. A. Sloane_, Oct 15 2014