A045079 - OEIS

%I #10 May 24 2023 00:01:35

%S 3087,3123,3132,3267,3276,3312,3843,3852,3888,4032,4159,4303,4339,

%T 4348,4879,4915,4924,5059,5068,5104,7183,7219,7228,7363,7372,7408,

%U 7939,7948,7984,8128,8255,8399,8435,8444,8975,9011

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

%t Select[Range[10000],DigitCount[#,4,0]==DigitCount[#,4,3]==3&] (* _Harvey P. Dale_, Mar 11 2015 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_