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%I #9 Apr 25 2021 01:26:01
%S 7381,7382,7386,7387,7390,7391,7392,7394,7428,7430,7431,7432,7435,
%T 7436,7440,7441,7462,7463,7467,7468,7471,7472,7473,7475,7482,7484,
%U 7485,7486,7498,7499,7500,7502,7806,7808,7809,7810
%N Numbers whose base-3 representation has exactly 9 runs.
%Y Cf. A007089.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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