Half the number of length n integer sequences with sum zero and sum of squares 4418.

A157579

Half the number of length n integer sequences with sum zero and sum of squares 4418.

Terms

    a(0) =1a(1) =3a(2) =294a(3) =21630a(4) =1556655a(5) =102426933a(6) =6421722076a(7) =420393758436

External references