631638

Appears in sequences

• Number of -4..4 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.at n=6A200161
• T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.at n=51A200165
• Number of -n..n arrays x(0..6) of 7 elements with nonzero sum and with zero through 6 differences all nonzero.at n=3A200170