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A045034 Numbers n with property that in base 4 representation the numbers of 0's and 1's are 4 and 1, respectively. 1

%I

%S 256,1026,1027,1032,1036,1056,1072,1152,1216,1536,1792,2049,2052,2064,

%T 2112,2304,3073,3076,3088,3136,3328,4106,4107,4110,4111,4130,4131,

%U 4136,4140,4146,4147,4152,4156,4226,4227,4232,4236

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

%H Vincenzo Librandi, <a href="/A045034/b045034.txt">Table of n, a(n) for n = 1..5000</a>

%t Select[Range[20000], DigitCount[#, 4, 0] == 4 &&DigitCount[#, 4, 1] == 1 &] (* _Vincenzo Librandi_, Sep 23 2016 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified May 16 21:29 EDT 2022. Contains 353720 sequences. (Running on oeis4.)