%I #16 Feb 05 2023 09:24:10

%S 374,574,614,622,999,1199,1239,1247,1374,1499,1749,1774,1799,1849,

%T 1854,1859,1869,1870,1871,1873,2249,2449,2489,2497,2574,2614,2622,

%U 2699,2739,2747,2774,2799,2849,2854,2859,2869,2870

%N Numbers whose base-5 representation contains exactly one 2 and three 4's.

%t Select[Range[3000],DigitCount[#,5,2]==1&&DigitCount[#,5,4]==3&] (* _Harvey P. Dale_, Oct 12 2017 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_