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A029477
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Numbers k that divide the (left) concatenation of all numbers <= k written in base 8 (most significant digit on left).
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0
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1, 7, 13, 17, 35, 49, 65, 245, 305, 679, 889, 1421, 2231, 2891, 3623, 31943, 59365, 113141, 143755, 193595, 367673, 414545, 1133461, 4916897
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OFFSET
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1,2
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COMMENTS
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No other terms below 10^8.
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LINKS
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MATHEMATICA
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b = 8; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* Robert Price, Mar 12 2020 *)
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 20 2000
More terms from Larry Reeves (larryr(AT)acm.org), Jun 01 2001
Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
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STATUS
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approved
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