Half the number of length n integer sequences with sum zero and sum of squares 8450.

A157597

Half the number of length n integer sequences with sum zero and sum of squares 8450.

Terms

    a(0) =1a(1) =9a(2) =630a(3) =48670a(4) =4293525a(5) =358348053a(6) =32224041500

External references