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Numbers whose base-12 representation has the same nonzero number of 5's and 10's.
0

%I #12 Jul 01 2021 00:01:57

%S 70,125,214,269,358,413,502,557,646,701,730,742,754,766,778,802,814,

%T 826,838,840,841,842,843,844,846,847,848,849,851,862,934,989,1078,

%U 1133,1222,1277,1366,1421,1445,1457,1469,1481,1493,1500,1501,1502

%N Numbers whose base-12 representation has the same nonzero number of 5's and 10's.

%t Select[Range[1600],DigitCount[#,12,5]==DigitCount[#,12,10]>0&] (* _Harvey P. Dale_, Apr 29 2018 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_