Number of -7..7 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.

A199529

Number of -7..7 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.

Terms

    a(0) =1a(1) =14a(2) =168a(3) =2212a(4) =29750a(5) =407946a(6) =5662636a(7) =79345982a(8) =1119873360a(9) =15897133212a(10) =226731289148

External references