Number of strings of n+2 numbers x(i) in -8..8 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other.

A184060

Number of strings of n+2 numbers x(i) in -8..8 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other.

Terms

    a(0) =1a(1) =41a(2) =337a(3) =3345a(4) =59353a(5) =945243

External references