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A043496
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Numbers having four 1's in base 10.
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2
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1111, 10111, 11011, 11101, 11110, 11112, 11113, 11114, 11115, 11116, 11117, 11118, 11119, 11121, 11131, 11141, 11151, 11161, 11171, 11181, 11191, 11211, 11311, 11411, 11511, 11611, 11711, 11811, 11911, 12111, 13111
(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[1111, 14000], DigitCount[#, 10, 1]==4&] (* Harvey P. Dale, Dec 25 2023 *)
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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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