A046793 Numbers n such that arithmetic and harmonic means of a(n) and A005279(n) both integers.
2, 4, 3, 6, 12, 8, 4, 6, 15, 12, 10, 14, 5, 16, 18, 8, 12, 35, 6, 28, 24, 15, 21, 26, 20, 12, 40, 10, 7, 32, 63, 60, 34, 24, 21, 36, 90, 16, 38, 45, 8, 36, 70, 12, 15, 46, 20, 99, 18, 30, 9, 42, 52, 40, 54, 33, 24, 30, 58, 75, 66, 20, 14, 62, 55, 105, 10, 64, 39, 28, 18, 50, 68, 48, 33
Offset: 1