%I #4 Mar 30 2012 17:28:57
%S 4,9,12,16,25,27,28,36,48,52,63,64,75,76,81,84,100,108,112,117,121,
%T 124,144,148,156,171,172,175,189,192,196,208,225,228,243,244,252,256,
%U 268,279,289,292,300,304,316,324,325,333,336,351,363,364,372,387,388,400
%N Numbers that are represented by x^2+xy+y^2 but not primitively.
%Y Cf. A034017.
%K nonn
%O 1,1
%A _N. J. A. Sloane_.
%E Extended by _Ray Chandler_, Jan 29 2009