Half the number of length n integer sequences with sum zero and sum of squares 4802.

A157581

Half the number of length n integer sequences with sum zero and sum of squares 4802.

Terms

    a(0) =1a(1) =15a(2) =390a(3) =21010a(4) =1806015a(5) =123582921a(6) =7932838172a(7) =541388995092

External references