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A045028 Numbers n with property that in base 4 representation the numbers of 0's and 1's are 3 and 0, respectively. 1

%I

%S 128,192,514,515,520,524,544,560,640,704,770,771,776,780,800,816,896,

%T 960,2058,2059,2062,2063,2082,2083,2088,2092,2098,2099,2104,2108,2178,

%U 2179,2184,2188,2208,2224,2242,2243,2248,2252

%N Numbers n with property that in base 4 representation the numbers of 0's and 1's are 3 and 0, respectively.

%H Vincenzo Librandi, <a href="/A045028/b045028.txt">Table of n, a(n) for n = 1..1500</a>

%t Select[Range[10000], DigitCount[#, 4, 0] == 3 && DigitCount[#, 4, 1] == 0 &] (* _Vincenzo Librandi_, Sep 22 2016 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified October 23 04:06 EDT 2021. Contains 348211 sequences. (Running on oeis4.)