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%I #11 Apr 25 2021 12:10:24
%S 4161,4162,4163,4164,4165,4166,4167,4176,4177,4179,4180,4181,4182,
%T 4183,4184,4185,4186,4188,4189,4190,4191,4192,4193,4194,4195,4197,
%U 4198,4199,4200,4201,4202,4203,4204,4206,4207,4208
%N Numbers whose base-8 representation has exactly 5 runs.
%t Select[Range[4250],Length[Split[IntegerDigits[#,8]]]==5&] (* _Harvey P. Dale_, Mar 19 2021 *)
%Y Cf. A007094.
%K nonn,base
%O 1,1
%A _Clark Kimberling_