%I #2 Mar 30 2012 17:33:49
%S 1,13,134,1346,13468,134689,13468911,1346891112,134689111214,
%T 13468911121416,1346891112141617,134689111214161719,
%U 13468911121416171921,1346891112141617192122,134689111214161719212224
%N Concatenation of first n numbers of the lower Wythoff sequence.
%Y Lower Wythoff sequence: A000201. Cf. A007908, A019518.
%K easy,nonn,base
%O 0,2
%A _Omar E. Pol_, Sep 12 2007
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