A055173 - OEIS

%I #4 Mar 30 2012 18:57:03

%S 1,3,4,6,2,8,11,5,13,16,10,7,18,12,9,22,14,25,28,21,15,19,30,24,35,27,

%T 20,38,29,17,42,34,23,31,45,36,50,41,39,52,44,26,56,49,37,47,59,33,64,

%U 54,55,32,66,57,48,40,60,71,61,62,46,77,63

%N n-th distinct number to appear in A055171; also the n-th to appear in A055187.

%C Conjecture: this sequence is a permutation of the positive integers.

%K nonn

%O 1,2

%A _Clark Kimberling_, Apr 27 2000