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A044986 Numbers n with property that in base 3 representation the numbers of 0's and 1's are 4 and 1, respectively. 0

%I

%S 81,245,249,261,297,405,487,489,495,513,567,737,749,753,785,789,801,

%T 893,897,909,945,1217,1221,1233,1269,1377,1463,1465,1469,1473,1477,

%U 1479,1487,1491,1503,1513,1515,1521,1541,1545,1557

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

%t Select[Range[1600],DigitCount[#,3,0]==4&&DigitCount[#,3,1]==1&] (* _Harvey P. Dale_, Mar 30 2018 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified August 17 07:10 EDT 2022. Contains 356184 sequences. (Running on oeis4.)