A043660 - OEIS

%I #9 Apr 25 2021 12:15:45

%S 28731,28732,28733,28734,28735,28736,28737,28738,28739,28740,28741,

%T 28742,28756,28757,28759,28760,28761,28762,28763,28764,28765,28766,

%U 28767,28768,28769,28770,28771,28773,28774,28775

%N Numbers whose base-13 representation has exactly 5 runs.

%K nonn,base

%O 1,1

%A _Clark Kimberling_