%I #7 Apr 11 2022 12:08:47
%S 3,1,3,1,2,2,3,1,2,3,1,3,1,2,3,1,3,1,2,2,3,1,2,2,3,1,3,1,2,3,1,2,2,3,
%T 1,2,3,1,3,1,2,2,3,1,2,2,3,1,2,3,1,3,1,2,3,1,3,1,2,2,3,1,2,3,1,3,1,2,
%U 3,1,2,2,3,1,2,2,3,1,3,1,2,3,1,3,1,2,2,3,1,2,3,1,3,1,2,3,1,3,1,2,2,3,1,2,2
%N Least k > 0 such that A000002(n+k) = A000002(n).
%Y Cf. A000002.
%K nonn
%O 1,1
%A _Benoit Cloitre_, Dec 15 2002