%I #2 Mar 30 2012 17:34:00
%S 0,1,4,2,6,4,6,7,9,5,7,11,12,10,6,8,14,16,14,20,18,15,19,21,19,21,19,
%T 15,23,33,27,26,24,26,22,30,28,30,28,26,28,30,20,28,38,36,31,37,41,45,
%U 43,39,43,39,43,45,43,47,43,49,46,52
%N Numbers A161912 such that a(n)<>a(n+1).
%Y Cf. A161911, A161912, A161913, A162188, A162189.
%K nonn
%O 1,3
%A _Omar E. Pol_, Jul 04 2009