A045074 - OEIS

%I #10 May 24 2023 00:01:14

%S 783,819,828,963,972,1008,1087,1231,1267,1276,1807,1843,1852,1987,

%T 1996,2032,2111,2255,2291,2300,2831,2867,2876,3011,3020,3056,3103,

%U 3119,3127,3131,3133,3134,3151,3187,3196,3215,3251

%N Numbers whose base-4 representation contains exactly two 0's and three 3's.

%t Select[Range[3300],DigitCount[#,4,0]==2&&DigitCount[#,4,3]==3&] (* _Harvey P. Dale_, Oct 12 2015 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_