Number of length n arrays of permutations of 0..n-1 with each element moved by -n to n places and the average of every three consecutive elements is never greater than the median of the previous three elements.
A263731
Number of length n arrays of permutations of 0..n-1 with each element moved by -n to n places and the average of every three consecutive elements is never greater than the median of the previous three elements.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =14a(4) =38a(5) =127a(6) =411a(7) =1492a(8) =6478a(9) =27635a(10) =130093a(11) =695563a(12) =3762131a(13) =21947993a(14) =141325992a(15) =926081758a(16) =6469911674a(17) =48818612195
External references
- oeis: A263731