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A039550
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Numbers whose base-12 representation has the same nonzero number of 7's and 9's.
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0
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93, 115, 237, 259, 381, 403, 525, 547, 669, 691, 813, 835, 957, 979, 1017, 1029, 1041, 1053, 1065, 1077, 1089, 1113, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1124, 1126, 1127, 1137, 1149, 1245, 1267, 1303, 1315, 1327, 1339, 1351, 1363
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[1500], DigitCount[#, 12, 7]==DigitCount[#, 12, 9]>0&] (* Harvey P. Dale, Oct 18 2016 *)
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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