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A031486
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Numbers whose base-7 representation has 2 fewer 0's than 6's.
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1
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48, 97, 146, 195, 244, 293, 307, 314, 321, 328, 335, 337, 338, 339, 340, 341, 440, 489, 538, 587, 636, 650, 657, 664, 671, 678, 680, 681, 682, 683, 684, 783, 832, 881, 930, 979, 993, 1000, 1007, 1014, 1021, 1023, 1024, 1025, 1026
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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[1100], DigitCount[#, 7, 6]-DigitCount[#, 7, 0]==2&] (* Harvey P. Dale, May 16 2012 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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