Number of -3..3 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
A200160
Number of -3..3 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.
Terms
- a(0) =6a(1) =24a(2) =128a(3) =576a(4) =2778a(5) =12440a(6) =57992a(7) =262444a(8) =1202540a(9) =5463896a(10) =24922570a(11) =113239064a(12) =515471532a(13) =2342330752a(14) =10649798938
External references
- oeis: A200160