Number of maximal chains in the poset of n-ary words of length n ordered by B covers A iff A_i <= B_i for 1 <= i <= n.

A377135

Number of maximal chains in the poset of n-ary words of length n ordered by B covers A iff A_i <= B_i for 1 <= i <= n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =90a(4) =369600a(5) =305540235000

External references