A036708 a(n)=number of Gaussian integers z=a+bi satisfying n-1/2<|z|<=n+1/2, b>=0.

1, 5, 7, 9, 17, 15, 21, 21, 25, 35, 29, 37, 35, 45, 45, 43, 57, 57, 57, 59, 57, 73, 71, 73, 73, 85, 83, 81, 93, 87, 101, 97, 95, 105, 113, 113, 115, 113, 125, 119, 133, 125, 133, 139, 133, 145, 139, 153, 153, 157, 159, 161, 173, 159, 169