Half the number of length n integer sequences with sum zero and sum of squares 1352.

A157558

Half the number of length n integer sequences with sum zero and sum of squares 1352.

Terms

    a(0) =1a(1) =9a(2) =90a(3) =4710a(4) =294975a(5) =12521313a(6) =439040875a(7) =13748247801a(8) =422094067740

External references