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A061941
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Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 12 (most significant digit on right).
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1
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1, 2, 3, 4, 6, 11, 58, 77, 143, 209, 1009, 1280, 6555, 7564, 12793, 52162, 59147, 75801, 85460, 127710, 205439, 589003, 856075
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OFFSET
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1,2
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COMMENTS
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This sequence differs from A029505 in that all least significant zeros are removed before concatenation.
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LINKS
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EXAMPLE
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MATHEMATICA
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b = 12; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, IntegerDigits[IntegerReverse[#, b], b]], b], #] &] (* Robert Price, Mar 08 2020 *)
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PROG
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(PARI) lista(nn, m=12) = my(s, t); for(k=1, nn, s=k/m^valuation(k, m); while(s, t=t*m+s%m; s\=m); if(t%k==0, print1(k, ", "))); \\ Jinyuan Wang, Dec 05 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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Larry Reeves (larryr(AT)acm.org), May 24 2001
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EXTENSIONS
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Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002
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STATUS
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approved
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