4853949

Appears in sequences

• Number of permutations avoiding a consecutive 132 pattern.at n=11A111004
• T(n,k) gives the number of permutations of the set [n] that contain k occurrences of the subword (132); irregular array read by rows (n >= 0 and 0 <= k <= max(0, floor((n-1)/2))).at n=31A197365