Half the number of length n integer sequences with sum zero and sum of squares 242.

A157543

Half the number of length n integer sequences with sum zero and sum of squares 242.

Terms

    a(0) =1a(1) =3a(2) =66a(3) =1330a(4) =19815a(5) =310023a(6) =4512844a(7) =69146820a(8) =1023450345a(9) =13538157655a(10) =163977086526

External references