A044944 - OEIS

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A044944

Runs of odd length in the base 4 representation of n.

%I #6 Mar 20 2023 16:44:52

%S 1,1,1,2,0,2,2,2,2,0,2,2,2,2,0,1,3,3,3,1,1,1,1,3,3,1,3,3,3,3,1,1,3,3,

%T 3,3,1,3,3,1,1,1,1,3,3,3,1,1,3,3,3,3,1,3,3,3,3,1,3,1,1,1,1,2,2,2,2,4,

%U 2,4,4,4,4,2,4,4,4,4,2,0,2,2,2,2,0,2,2,2,2,0

%N Runs of odd length in the base 4 representation of n.

%t Table[Count[Length/@Split[IntegerDigits[n,4]],_?OddQ],{n,100}] (* _Harvey P. Dale_, Mar 20 2023 *)

%K nonn,base

%O 1,4

%A _Clark Kimberling_