A248384 Number of n-strand braids of length at most 4 in the dual monoid B_n^{+*}.
1, 6, 367, 14122, 1917046, 356470124
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)