%I #10 Jul 25 2023 22:27:10
%S 2200,2218,2224,2226,2272,2278,2280,2296,2298,2304,2434,2440,2442,
%T 2458,2460,2466,2512,2514,2520,2538,2920,2926,2928,2944,2946,2952,
%U 2998,3000,3006,3024,3160,3162,3168,3186,3240,6602
%N Numbers whose base-3 representation contains exactly four 0's and four 1's.
%t Select[Range[7000],DigitCount[#,3,0]==DigitCount[#,3,1]==4&] (* _Harvey P. Dale_, Dec 16 2019 *)
%Y Cf. A007089.
%K nonn,base
%O 1,1
%A _Clark Kimberling_