A034042 Numbers that are primitively or imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0), but not both.
1, 2, 9, 11, 14, 16, 18, 22, 23, 25, 28, 36, 37, 43, 46, 49, 50, 53, 58, 71, 72, 74, 77, 79, 81, 86, 98, 99, 100, 106, 107, 109, 116, 121, 126, 127, 134, 137, 142, 144, 149, 151, 154, 158, 161, 162, 163, 169, 193, 196, 197, 198, 200, 203, 207, 211, 214
Offset: 1
Keywords
Extensions
Definition corrected by N. J. A. Sloane, Apr 30 2015