|
%I #7 Jul 12 2018 12:15:47
%S 273,274,275,280,281,283,284,285,286,289,290,291,292,294,295,300,301,
%T 302,305,306,307,308,310,311,312,313,315,388,390,391,392,393,395,396,
%U 397,398,401,402,403,408,409,411,412,413,414
%N Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 5.
%t Select[Range[500],Divisible[Length[Split[IntegerDigits[#,4]]],5]&] (* _Harvey P. Dale_, Jul 12 2018 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_
|
