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%I #4 Sep 01 2021 07:56:13
%S 1,1,1,2,2,1,1,2,3,2,2,3,2,1,1,2,3,2,3,4,3,2,2,3,4,3,2,3,2,1,1,2,3,2,
%T 3,4,3,2,3,4,5,4,3,4,3,2,2,3,4,3,4,5,4,3,2,3,4,3,2,3,2,1,1,2,3,2,3,4,
%U 3,2,3,4,5,4,3,4,3,2,3,4,5,4,5,6,5,4
%N Number of runs in the n-th word in A076478.
%e The first fourteen words w(n) are 0, 1, 00, 01, 10, 11, 000, 001, 010, 011, 100, 101, 110, 111, so that a(9) = 3.
%t (See A007931.)
%Y Cf. A007931, A076478.
%K nonn,base
%O 1,4
%A _Clark Kimberling_, Aug 16 2021