742911

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x| <= |x-y| + |y-z|.at n=31A212572
• The number of permutations in S_n for which the number of reduced words is maximized with respect to the numbers of braid and commutation classes: |R(w)| = |B(w)| * |C(w)|.at n=12A290953