A045830 a(n) = A005927(n)/2.
0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 6, 4, 0, 0, 0, 0, 0, 0, 6, 12, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 12, 15, 0, 0, 0, 0, 0, 0, 6, 12, 0, 0, 0, 0, 0, 0, 12, 12, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 0, 6, 24
Offset: 0