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A029509
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Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 16 (most significant digit on right).
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1
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1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 25, 45, 163, 234, 661, 1034, 1191, 1415, 1835, 2094, 3143, 3284, 3459, 3638, 3915, 5215, 16620, 18505, 18790, 31965, 36600, 140835, 175302, 187170, 190545, 283115, 6926085, 7607655
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OFFSET
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1,2
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COMMENTS
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This sequence differs from A061945 in that all least significant zeros are kept during concatenation.
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LINKS
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EXAMPLE
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MATHEMATICA
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b = 16; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 13 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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Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
Additional comments and more terms from Larry Reeves (larryr(AT)acm.org), May 25 2001
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STATUS
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approved
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