451708

Appears in sequences

• Number of -5..5 arrays x(0..n+1) of n+2 elements with zero sum and nonzero first and second differences.at n=4A200451
• T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and nonzero first and second differences.at n=40A200454
• Number of -n..n arrays x(0..6) of 7 elements with zero sum and nonzero first and second differences.at n=4A200459