Search: id:A079729
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%I A079729
%S A079729 1,2,2,3,3,1,1,1,2,2,2,3,1,2,3,3,1,1,2,2,3,3,3,1,2,2,3,3,3,1,1,1,2,3,1,
%T A079729 1,2,2,3,3,3,1,1,1,2,2,2,3,1,1,2,2,3,3,3,1,1,1,2,2,2,3,1,2,3,3,1,1,1,2,
%U A079729 3,1,1,2,2,3,3,3,1,1,1,2,2,2,3,1,2,3,3,1,1,2,2,3,3,3,1,2,3,3,1,1,2,2,2
%N A079729 Kolakoski variation using (1,2,3) starting with 1,2.
%C A079729 a(1)=1 then a(n) is the length of n-th run.
%F A079729 Partial sum sequence is expected to be asymptotic to 2*n.
%e A079729 Sequence begins: 1,2,2,3,3,1,1,1,2,2,2,3,1,2,3,3,1,1,2,2, read it as: 
               (1), (2,2), (3,3), (1,1,1), (2,2,2), (3), (1), (2), (3,3), (1,1),
               ... then count the terms in parentheses to get: 1,2,2,3,3,1,1,1,2,
               2,.. which is the same sequence.
%o A079729 (PARI) a=[1,2,2];for(n=3,100,for(i=1,a[n],a=concat(a,1+((n-1)%3))));a; 
               [From Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 13 2009]
%Y A079729 Cf. A000002.
%Y A079729 Sequence in context: A164089 A068460 A143797 this_sequence A071859 A105899 
               A135695
%Y A079729 Adjacent sequences: A079726 A079727 A079728 this_sequence A079730 A079731 
               A079732
%K A079729 nonn
%O A079729 1,2
%A A079729 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 17 2003
%E A079729 More terms from Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Sep 24 2006

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