Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and with no two consecutive decreases.

A263681

Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and with no two consecutive decreases.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =70a(5) =349a(6) =2017a(7) =11253a(8) =58743a(9) =286327a(10) =1331630a(11) =6077344a(12) =27523597a(13) =126333667a(14) =587717372a(15) =2760990038a(16) =13033515692a(17) =61583867944a(18) =290639649211

External references