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%I #16 Jul 15 2019 15:38:33
%S 4,6,10,12,14,16,18,19,21,23,24,28,29,32,34,35,38,39,40,42,43,44,45,
%T 46,47,48,50,51,53,55,58,60,61,66,67,68,71,75,76,79,80,81,82,83,85,91,
%U 92,93,94,95,98,101,102,103,104,106,110,111,112,113,114,115,116,117,119,124
%N Numbers k such that A309168(k) > 0.
%H Andrew Bremner, Allan Macleod, <a href="http://ami.ektf.hu/uploads/papers/finalpdf/AMI_43_from29to41.pdf">An unusual cubic representation problem</a>, Annales Mathematicae et Informaticae, 43(2014), pp.29-41.
%o (PARI) for(k=0, 1e2, if(ellanalyticrank(ellinit([0, 4*k^2+12*k-3, 0, 32*(k+3), 0]))[1]>0, print1(k", ")))
%Y Cf. A309168.
%K nonn
%O 1,1
%A _Seiichi Manyama_, Jul 15 2019