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

A248385

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

Terms

    a(0) =1a(1) =7a(2) =749a(3) =68927a(4) =24672817

External references