A273377 - OEIS

%I #4 May 21 2016 13:40:51

%S 1,3,5,11,11,11,19,23,23,41,41,64,83,89,89,89,89,89,89,89,89,109,109,

%T 167,167,167,167,167,167,167,167,167,167,167,283,283,283,283,283,283,

%U 283,283,283,283,283,379,379,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421,421

%N Discriminator of the double factorial of odd numbers (A001147)

%C The discriminator of a sequence is the least positive integer k such that the first n terms of the sequence are pairwise

%C incongruent, modulo k.

%C Here we are taking A001147 beginning at position 1.

%K nonn

%O 1,2

%A _Jeffrey Shallit_, May 21 2016