Vandermonde sequence using x^2 + y^2 applied to (1,1,2,2,...,floor(n/2)).

A203766

Vandermonde sequence using x^2 + y^2 applied to (1,1,2,2,...,floor(n/2)).

Terms

    a(0) =1a(1) =2a(2) =50a(3) =10000a(4) =169000000

External references