Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 3412.

A264323

Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 3412.

Terms

    a(0) =1a(1) =89a(2) =5461a(3) =238356a(4) =8368831a(5) =259770975a(6) =7542478135a(7) =211794493290

External references