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A061944
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Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 15 (most significant digit on right).
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1
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1, 3, 5, 7, 28, 48, 143, 148, 224, 392, 2079, 2716, 2999, 12537, 14392, 16384, 32124, 52073, 56747, 138203, 238847, 527989, 4580376, 5147667, 5276712, 6982808, 8947484
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OFFSET
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1,2
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COMMENTS
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This sequence differs from A029508 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 = 15; 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=15) = 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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