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 increases.

A263642

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 increases.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =70a(5) =349a(6) =2017a(7) =13358a(8) =74678a(9) =335720a(10) =1500041a(11) =6440272a(12) =28038374a(13) =123298684a(14) =556103807a(15) =2564034001a(16) =11893926843a(17) =55032401086a(18) =253092976011

External references