A060428 Numbers of form x^2 + xy + y^2 (with repetitions if more than one representation is possible).

1, 3, 4, 7, 9, 12, 13, 16, 19, 21, 25, 27, 28, 31, 36, 37, 39, 43, 48, 49, 49, 52, 57, 61, 63, 64, 67, 73, 75, 76, 79, 81, 84, 91, 91, 93, 97, 100, 103, 108, 109, 111, 112, 117, 121, 124, 127, 129, 133, 133, 139, 144, 147, 147, 148, 151, 156, 157, 163, 169, 169, 171