A248383 Number of n-strand braids of length at most 3 in the dual monoid B_n^{+*}.
1, 5, 177, 2856, 147855, 9845829
Offset: 1
Links
- Philippe Biane, Patrick Dehornoy, Dual Garside structure of braids and free cumulants of products, arXiv:1407.1604 [math.CO], (7-July-2014)