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Numbers which can be written in the form x^2 + 10*y^2, where x > 0 and y > 0.
0

%I #8 Sep 10 2012 12:45:34

%S 11,14,19,26,35,41,44,46,49,56,59,65,74,76,89,91,94,99,104,106,110,

%T 115,121,126,131,139,140,154,161,164,169,171,176,179,184,185,190,196,

%U 206,209,211,224,234,235,236,241,251,254,259,260,265,266,275,281,286

%N Numbers which can be written in the form x^2 + 10*y^2, where x > 0 and y > 0.

%Y Cf. A020673, A033201.

%K nonn

%O 1,1

%A _V. Raman_, Sep 08 2012