Number of -6..6 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
A200163
Number of -6..6 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
Terms
- a(0) =12a(1) =120a(2) =1326a(3) =13888a(4) =145482a(5) =1504820a(6) =15586972a(7) =160772064a(8) =1658521710
External references
- oeis: A200163