%I #5 Mar 30 2012 18:58:09

%S 4,9,4,9,9,16,16,9,25,36,36,16,49,64,16,25,81,81,100,36,25,144,144,25,

%T 100,196,36,64,225,64,256,36,49,324,36,81,361,400,64,49,441,100,484,

%U 144,49,576,576,49,196,225,100,196,729,144,64,81,121,900,900,64

%N Least k^2 such that n divides k^2-j^2 for some j<k.

%C For a guide to related sequences, see A204892.

%t (See the program at A204994.)

%Y Cf. A204892, A204994.

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 21 2012