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%I #5 Apr 13 2020 19:47:10
%S 3,15,45,96,192,240,480,480,720,960,1440,1440,2880,2880,2880,3360,
%T 5040,5040,6720,6720,10080,10080,10080,10080,20160,20160,20160,20160,
%U 20160,20160,30240,30240,40320,40320,40320,40320,60480,60480,60480,60480,80640,80640
%N a(n) is the smallest positive integer that can be expressed as the difference of two positive squares in at least n ways.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareNumber.html">Square Number</a>
%Y Cf. A000290, A024352, A048610, A068314, A094191, A100073, A214771, A334077.
%K nonn
%O 1,1
%A _Ilya Gutkovskiy_, Apr 13 2020
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