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Numbers not of the form x^2+xy+2y^2.
2

%I #3 Apr 30 2015 14:18:45

%S 3,5,6,10,12,13,15,17,19,20,21,24,26,27,30,31,33,34,35,38,39,40,41,42,

%T 45,47,48,51,52,54,55,57,59,60,61,62,65,66,68,69,70,73,75,76,78,80,82,

%U 83,84,85,87,89,90,91,93,94,95,96,97,101

%N Numbers not of the form x^2+xy+2y^2.

%Y Complement of A028951.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Apr 30 2015