Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and with no two consecutive decreases.

A263682

Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and with no two consecutive decreases.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =70a(5) =349a(6) =2017a(7) =13358a(8) =85403a(9) =514631a(10) =2892717a(11) =15496398a(12) =80361985a(13) =412478090a(14) =2110690179a(15) =10938840527a(16) =57413943808a(17) =304300790810

External references