%I
%S 1,2,3,2,4,3,5,6,3,4,7,5,8,4,6,9,5,4,7,10,6,5,8,11,9,7,5,6,12,10,8,13,
%T 7,6,9,11,14,15,8,6,7,10,12,9,13,16,8,7,11,17,14,10,9,15,7,8,12,13,18,
%U 11,19,9,10,8,14,16,17,20,12,15,9,8,10,11,13
%N For n >= 1, n n's take places at stage n: the first takes the least untaken place (l.u.p) and for 2<=k<=n, the kth n takes the l.u.p. more than n1 places past the place of the (k1)st n.
%K nonn
%O 1,2
%A _Clark Kimberling_
