Half the number of length n integer sequences with sum zero and sum of squares 3362.

A157573

Half the number of length n integer sequences with sum zero and sum of squares 3362.

Terms

    a(0) =1a(1) =3a(2) =246a(3) =17230a(4) =1034445a(5) =59305701a(6) =3243926588a(7) =185256960120

External references