Number of -6..6 arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero.
A200036
Number of -6..6 arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero.
Terms
- a(0) =0a(1) =12a(2) =78a(3) =808a(4) =7104a(5) =72220a(6) =674234a(7) =6674940a(8) =64642466a(9) =635825548
External references
- oeis: A200036