Number of -4..4 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.
A199526
Number of -4..4 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.
Terms
- a(0) =1a(1) =8a(2) =60a(3) =464a(4) =3734a(5) =30484a(6) =252154a(7) =2105064a(8) =17701326a(9) =149708146a(10) =1272108368a(11) =10851700690a(12) =92875809416a(13) =797134845184
External references
- oeis: A199526