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A029491
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Numbers k that divide the (left) concatenation of all numbers <= k written in base 22 (most significant digit on left).
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0
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1, 3, 7, 9, 21, 49, 59, 67, 89, 147, 353, 1057, 1773, 4711, 6943, 29691, 40719, 51309, 57533, 116881, 155769, 178311, 207123, 9111701, 9636685, 10090955, 14397327, 21361545, 23023665, 50170565, 55533513, 72268665
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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 = 22; 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
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AUTHOR
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EXTENSIONS
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More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 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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