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A043348 Numbers having four 3's in base 4. 0

%I

%S 255,511,767,831,895,959,975,991,1007,1011,1015,1019,1020,1021,1022,

%T 1279,1535,1791,1855,1919,1983,1999,2015,2031,2035,2039,2043,2044,

%U 2045,2046,2303,2559,2815,2879,2943,3007,3023,3039

%N Numbers having four 3's in base 4.

%t Select[Range[3100],DigitCount[#,4,3]==4&] (* _Harvey P. Dale_, Jun 09 2017 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified September 26 02:27 EDT 2021. Contains 347664 sequences. (Running on oeis4.)