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Search: id:A029495
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| A029495 |
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Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 2 (most significant digit on right). |
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+0
142
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OFFSET
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1,2
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COMMENT
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The next term is > 500000. - Larry Reeves, Apr 10, 2002
This sequence differs from A061931 in that all least significant zeros are kept during concatenation.
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LINKS
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Index entries for related sequences
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EXAMPLE
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12345 -> (1)(01)(11)(001)(101) base 2 -> 10111001101 base 2 = 1485, and 5 divides 1485.
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CROSSREFS
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Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
Sequence in context: A130308 A053516 A085523 this_sequence A086900 A124477 A059839
Adjacent sequences: A029492 A029493 A029494 this_sequence A029496 A029497 A029498
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KEYWORD
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nonn,base,bref
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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
Additional comments, more terms and example from Larry Reeves (larryr(AT)acm.org), May 25 2001
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