%I #9 Apr 25 2021 12:11:23
%S 101,102,103,104,105,106,107,108,109,120,121,123,124,125,126,127,128,
%T 129,130,131,132,134,135,136,137,138,139,140,141,142,143,145,146,147,
%U 148,149,150,151,152,153,154,156,157,158,159
%N Numbers whose base-10 representation has exactly 3 runs.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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