221984

Appears in sequences

• Number of -7..7 arrays x(0..n+2) of n+3 elements with zero sum and no two or three adjacent elements summing to zero.at n=2A200429
• T(n,k)=Number of -k..k arrays x(0..n+2) of n+3 elements with zero sum and no two or three adjacent elements summing to zero.at n=38A200430
• Number of -n..n arrays x(0..5) of 6 elements with zero sum and no two or three adjacent elements summing to zero.at n=6A200433