|
%I #11 Apr 25 2021 01:24:57
%S 406901,406902,406903,406904,406910,406911,406913,406914,406915,
%T 406916,406917,406919,406920,406921,406922,406923,406926,406927,
%U 406928,406929,406930,406932,406933,406934,406940,406941,406942
%N Numbers whose base-5 representation has exactly 9 runs.
%t Select[Range[407000],Length[Split[IntegerDigits[#,5]]]==9&] (* _Harvey P. Dale_, May 25 2013 *)
%Y Cf. A007091.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
|
