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Length of row n of the Kolakoski fan A143477.
4

%I #2 Mar 30 2012 18:57:10

%S 1,1,2,4,6,9,13,19,29,44,66,99,151,225,338,506,761,1138,1705,2555,

%T 3835,5751,8629,12953,19426,29146,43723,65585,98351,147501,221259,

%U 331899,497861,746874,1120279,1680480,2520838,3781134,5671673,8507660,12761336

%N Length of row n of the Kolakoski fan A143477.

%C Conjecture: if L(n)=A143586(n), then lim(L(n+1)/L(n)) = 3/2. For a more general conjecture see A143589.

%e The first 4 rows of A143477 are

%e 1

%e 2

%e 22

%e 1122. Their lengths are 1,1,2,4.

%Y Cf. A000002, A143477.

%K nonn

%O 1,3

%A _Clark Kimberling_, Aug 25 2008