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A039609
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Numbers whose base-12 representation has the same nonzero number of 1's and 7's.
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0
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19, 85, 151, 175, 187, 199, 211, 223, 228, 230, 231, 232, 233, 234, 236, 237, 238, 239, 247, 259, 271, 283, 307, 373, 451, 517, 595, 661, 739, 805, 883, 949, 1009, 1020, 1022, 1023, 1024, 1025, 1026, 1028, 1029, 1030, 1031, 1033, 1045, 1057
(list;
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[1200], DigitCount[#, 12, 1]==DigitCount[#, 12, 7]>0&] (* Harvey P. Dale, Oct 25 2023 *)
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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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