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Numbers of the form 4^i*(8j+7) or 4^i*(3j+1).
1

%I #8 Mar 09 2022 10:51:21

%S 1,4,7,10,13,15,16,19,22,23,25,28,31,34,37,39,40,43,46,47,49,52,55,58,

%T 60,61,63,64,67,70,71,73,76,79,82,85,87,88,91,92,94,95,97,100,103,106,

%U 109,111,112,115,118,119,121,124,127,130,133,135,136

%N Numbers of the form 4^i*(8j+7) or 4^i*(3j+1).

%C The numbers not of the form 2x^2+3y^2+6z^2.

%H L. J. Mordell, <a href="https://doi.org/10.1093/qmath/os-1.1.276">A new Waring's problem with squares of linear forms</a>, Quart. J. Math., 1 (1930), 276-288 (see p. 283).

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Jun 02 2000