%I #2 Mar 30 2012 18:57:10
%S 1,0,0,2,3,5,7,9,14,22,33,47,77,112,170,251,384,571,855,1275,1919,
%T 2873,4305,6480,9706,14569,21861,32819,49201,73743,110619,165937,
%U 248848,373469,560078,840122,1260542,1890595,2835686,4253984,6380906,9571020
%N Number of 1's in row n of the Kolakoski fan A143477.
%C A143586 = A143587 + A143588.
%e The first 4 rows of A143477 are 1; 2; 22; 1122. The respective numbers of 1's are 1,0,0,2.
%Y Cf. A000002, A143477, A143486, A143588.
%K nonn
%O 1,4
%A _Clark Kimberling_, Aug 25 2008
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