A205004 - OEIS

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

%S 3,3,6,10,6,15,10,36,10,21,21,15,28,15,21,136,45,21,55,21,36,28,78,45,

%T 28,36,28,66,120,36,136,528,36,55,36,78,190,66,45,55,231,45,253,45,55,

%U 91,300,153,55,78,66,55,378,55,91,66,78,136,465,66

%N Least k(k+1)/2 such that n divides k(k+1)/2-j(j+1)/2 for some j<k.

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

%t (See the program at A205002.)

%Y Cf. A204892, A205002.

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 21 2012