A248383 - OEIS

%I #4 Oct 15 2014 23:33:30

%S 1,5,177,2856,147855,9845829

%N Number of n-strand braids of length at most 3 in the dual monoid B_n^{+*}.

%H 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 Cf. A000108, A168344, A248382-A248386.

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Oct 15 2014