A071961 Sum( i=1, n, K(n,i) ) where K(x,y) is the Kronecker symbol (x/y).

1, 1, 0, 2, 0, 2, 4, 0, 6, 2, 2, 0, 0, 4, 6, 8, 0, 0, 2, 0, 0, 2, 6, 0, 20, 6, 0, 0, 0, 4, 12, 0, 0, 4, 4, 12, 0, 6, 12, 0, 0, 4, 0, 0, 0, 4, 10, 0, 42, 2, 4, 0, 0, 2, 18, 0, 0, 2, 6, 0, 0, 8, 2, 32, 0, 8, -2, 0, 0, 4, 14, 0, 0, 10, 4, 0, 0, 4, 22, 0, 54, 4, 4, 0, 0, 10, 14, 0, 0, 4, 2, 0, 0, 8, 14, 0, 0, 2, -2, 40, 0, 4, 22, 0, 0, 6, 4, 0, 0, 12, 22, 0, 0, 8, -2