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A045065 Numbers n with property that in base 4 representation the numbers of 0's and 3's are 0 and 4, respectively. 0

%I

%S 255,511,767,895,959,991,1007,1015,1019,1021,1022,1535,1791,1919,1983,

%T 2015,2031,2039,2043,2045,2046,2559,2815,2943,3007,3039,3055,3063,

%U 3067,3069,3070,3455,3519,3551,3567,3575,3579,3581

%N Numbers n with property that in base 4 representation the numbers of 0's and 3's are 0 and 4, respectively.

%t Select[Range[4500],DigitCount[#,4,0]==0 && DigitCount[#,4,3]==4&] (* _Harvey P. Dale_, Mar 18 2011 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified September 27 21:12 EDT 2021. Contains 347698 sequences. (Running on oeis4.)