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%I #5 Jun 27 2023 09:48:22
%S 6,30,210,330,546,2310,2730,3570,4290,5610,6090,6630,7854,8970,9690,
%T 10374,10626,13566,18354,19866,22134,25806,26970,39270,43890,51330,
%U 51414,52026,54834,56730,59334,66990,68034,71610,72930,74046,75174
%N Squarefree positive integers of the form u*v*(u^2-v^2) for some integer u,v.
%F Squarefree terms of A147778. Squarefree terms of A073120. Squarefree terms of A009112.
%F Terms of A006991 (primitive congruent numbers) corresponding to right triangles with integer sides.
%Y Cf. A003273, A006991, A009112, A073120, A147778.
%K nonn
%O 1,1
%A _Max Alekseyev_, Nov 12 2008