Number of -4..4 arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero.
A200034
Number of -4..4 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) =8a(2) =28a(3) =218a(4) =1074a(5) =7384a(6) =41228a(7) =262004a(8) =1565836a(9) =9730070a(10) =59336930a(11) =368674288
External references
- oeis: A200034