A204995 - OEIS

%I #8 Mar 30 2012 18:58:09

%S 1,1,1,1,2,2,3,1,4,4,5,2,6,6,1,3,8,3,9,4,2,10,11,1,5,12,3,6,14,2,15,2,

%T 4,16,1,3,18,18,5,3,20,4,21,10,2,22,23,1,7,5,7,12,26,6,3,5,8,28,29,2

%N The index j<k such that n divides k^2-j^2, where k is the least index (A204905) for which such j exists.

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

%t (See the program at A204994.)

%Y Cf. A204892, A204994.

%K nonn

%O 1,5

%A _Clark Kimberling_, Jan 21 2012