Number of -7..7 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
A200164
Number of -7..7 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
Terms
- a(0) =14a(1) =168a(2) =2180a(3) =27160a(4) =336992a(5) =4141212a(6) =50917674a(7) =624074768
External references
- oeis: A200164