Number of -5..5 arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero.
A199829
Number of -5..5 arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero.
Terms
- a(0) =70a(1) =660a(2) =5390a(3) =49302a(4) =462234a(5) =4340094a(6) =41008804a(7) =389832124a(8) =3723199342a(9) =35697026718a(10) =343371074564
External references
- oeis: A199829