266812

Appears in sequences

• Number of -3..3 arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences.at n=5A200548
• T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences.at n=33A200553
• Number of -n..n arrays x(0..7) of 8 elements with zero sum and nonzero second differences.at n=2A200558