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Search: id:A029478
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| A029478 |
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Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 9 (most significant digit on left). |
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+0
1
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OFFSET
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1,2
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COMMENT
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The next term is > 410000. - Larry Reeves, Jan 16, 2002
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LINKS
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Index entries for related sequences
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MATHEMATICA
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Select[Range[1, 2000], Mod[FromDigits[Flatten[Reverse[Table[IntegerDigits[m, 9], {m, 1, # }]]], 9], # ] == 0 &] - Peter Bertok Nov 26 2001
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CROSSREFS
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Sequence in context: A048523 A000922 A107188 this_sequence A102907 A096455 A124199
Adjacent sequences: A029475 A029476 A029477 this_sequence A029479 A029480 A029481
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KEYWORD
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nonn,base
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AUTHOR
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Olivier Gerard (ogerard(AT)ext.jussieu.fr)
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EXTENSIONS
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Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12, 2002
No other solutions found for n <= 20,000. - Peter Bertok (peter(AT)bertok.com), Nov 26 2001
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