Half the number of length n integer sequences with sum zero and sum of squares 6272.

A157588

Half the number of length n integer sequences with sum zero and sum of squares 6272.

Terms

    a(0) =1a(1) =9a(2) =54a(3) =18490a(4) =3080025a(5) =281083131a(6) =20455480647

External references