Number of permutations of [n] containing exactly two occurrences of the consecutive pattern 132.

A263886

Number of permutations of [n] containing exactly two occurrences of the consecutive pattern 132.

Terms

    a(0) =3a(1) =56a(2) =753a(3) =9024a(4) =104814a(5) =1228608a(6) =14824314a(7) =185991936a(8) =2438459325a(9) =33476112000a(10) =481470208575

External references