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A034042 Numbers that are primitively or imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0), but not both. 8

%I

%S 1,2,9,11,14,16,18,22,23,25,28,36,37,43,46,49,50,53,58,71,72,74,77,79,

%T 81,86,98,99,100,106,107,109,116,121,126,127,134,137,142,144,149,151,

%U 154,158,161,162,163,169,193,196,197,198,200,203,207,211,214

%N Numbers that are primitively or imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0), but not both.

%Y Cf. A034035-A034042.

%K nonn

%O 1,2

%A _N. J. A. Sloane_.

%E Definition corrected by _N. J. A. Sloane_, Apr 30 2015

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Last modified October 16 20:09 EDT 2021. Contains 348044 sequences. (Running on oeis4.)