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A034018
Numbers that are represented by x^2+xy+y^2 but not primitively.
1
4, 9, 12, 16, 25, 27, 28, 36, 48, 52, 63, 64, 75, 76, 81, 84, 100, 108, 112, 117, 121, 124, 144, 148, 156, 171, 172, 175, 189, 192, 196, 208, 225, 228, 243, 244, 252, 256, 268, 279, 289, 292, 300, 304, 316, 324, 325, 333, 336, 351, 363, 364, 372, 387, 388, 400
OFFSET
1,1
CROSSREFS
Cf. A034017.
Sequence in context: A141037 A109424 A034019 * A320924 A357976 A330879
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended by Ray Chandler, Jan 29 2009
STATUS
approved