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 A248384 #4 Oct 15 2014 23:33:53
%S A248384 1,6,367,14122,1917046,356470124
%N A248384 Number of n-strand braids of length at most 4 in the dual monoid B_n^{+*}.
%H A248384 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 A248384 Cf. A000108, A168344, A248382-A248386.
%K A248384 nonn,more
%O A248384 1,2
%A A248384 _N. J. A. Sloane_, Oct 15 2014