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A043848 Numbers n such that number of runs in the base 4 representation of n is congruent to 5 mod 7. 0

%I

%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 5 mod 7.

%t Select[Range[500],Mod[Length[Split[IntegerDigits[#,4]]],7]==5&] (* _Harvey P. Dale_, May 21 2017 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified June 20 04:43 EDT 2021. Contains 345157 sequences. (Running on oeis4.)