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%I #20 Apr 14 2013 15:12:52
%S 3,49,242,48,1444,2645,4374,6727,288,13689,18490,24299,31212,39325,
%T 48734,960,71824,85697,101250,118579,137780,158949,182182,207575,2400,
%U 265225,297674,332667,370300,410669,453870,499999,549152,601425,656914,5040,777924,843637,912950,985959,1062760,1143449,1228122,1316875,1409804,1507005,1608574,1714607,675,1681,2060450
%N Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.
%C a(n) <= n*(4*n+3)^2.
%K nonn
%O 0,1
%A _Max Alekseyev_, Apr 14 2013