%I A030686
%S A030686 16,49,900,169,256,361,4900,6400,8100,10000,12100,1444,16900,19600,
%T A030686 22500,25600,28900,3249,36100,40000,44100,48400,52900,57600,62500,
%U A030686 67600,72900,78400,84100,90000,96100,102400,108900,115600,122500
%N A030686 Smallest nontrivial extension of n-th square which is a square.
%Y A030686 Cf. A030687.
%Y A030686 Sequence in context: A041498 A104992 A153483 this_sequence A030688 A121863 
               A121864
%Y A030686 Adjacent sequences: A030683 A030684 A030685 this_sequence A030687 A030688 
               A030689
%K A030686 nonn,base
%O A030686 1,1
%A A030686 Patrick De Geest (pdg(AT)worldofnumbers.com)