A248385 - OEIS

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A248385

Number of n-strand braids of length at most 5 in the dual monoid B_n^{+*}.

%I #4 Oct 15 2014 23:34:24

%S 1,7,749,68927,24672817

%N Number of n-strand braids of length at most 5 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