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A031494
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Numbers whose base-9 representation has 2 more 0's than 8's.
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0
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81, 162, 243, 324, 405, 486, 567, 730, 731, 732, 733, 734, 735, 736, 738, 747, 756, 765, 774, 783, 792, 810, 891, 972, 1053
(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@2000, (s=#; Differences[Count[IntegerDigits[s, 9], #]&/@{0, 8}]=={-2})&] (* Giorgos Kalogeropoulos, Jul 04 2021 *)
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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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STATUS
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approved
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