login
Numbers that are primitively or imprimitively represented by x^2+y^2, but not both.
1

%I #5 Mar 30 2012 16:47:27

%S 1,2,4,5,8,9,10,13,16,17,18,20,26,29,32,34,36,37,40,41,45,49,52,53,58,

%T 61,64,65,68,72,73,74,80,81,82,85,89,90,97,98,100,101,104,106,109,113,

%U 116,117,121,122,128,130,136,137,144,145,146,148,149,153

%N Numbers that are primitively or imprimitively represented by x^2+y^2, but not both.

%Y Cf. A001481, A008784, A022544, A034023-.

%K nonn

%O 1,2

%A _N. J. A. Sloane_.