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Numbers of the form (x^2+xy+2y^2 with x>=0, y>=0).
1

%I #9 Apr 30 2015 14:14:46

%S 0,1,2,4,8,9,11,14,16,18,22,23,25,28,32,36,37,43,44,46,49,50,53,56,58,

%T 64,71,72,74,77,79,81,86,88,92,98,99,100,106,107,109,112,116,121,126,

%U 127,128,134,137,142,144,148,149,151,154,158,161,162,163,169

%N Numbers of the form (x^2+xy+2y^2 with x>=0, y>=0).

%Y Cf. A034035-A034042, A028951.

%K nonn

%O 1,3

%A _N. J. A. Sloane_.

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