A039549 - OEIS

%I #12 Aug 23 2022 17:35:36

%S 92,103,236,247,380,391,524,535,668,679,812,823,956,967,1016,1028,

%T 1040,1052,1064,1076,1088,1104,1105,1106,1107,1108,1109,1110,1113,

%U 1114,1115,1124,1136,1148,1159,1171,1183,1195,1207,1219,1231,1236

%N Numbers whose base-12 representation has the same nonzero number of 7's and 8's.

%t Select[Range[1300],DigitCount[#,12,7]==DigitCount[#,12,8]>0&] (* _Harvey P. Dale_, Aug 23 2022 *)

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_