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A061960
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Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 7 (most significant digit on right).
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1
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1, 3, 12, 171, 324, 717, 867, 977, 2040, 6017, 13921, 54036, 81097, 88580, 265515, 306612, 349707, 1075152, 1189787, 2579041
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| This sequence differs from A029524 in that all least significant zeros are kept during concatenation.
No more terms < 10^7.
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LINKS
| Index entries for related sequences
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EXAMPLE
| See A061955 for example.
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CROSSREFS
| Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
Sequence in context: A098152 A028301 A004168 * A120606 A089428 A063801
Adjacent sequences: A061957 A061958 A061959 * A061961 A061962 A061963
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KEYWORD
| nonn,base
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AUTHOR
| Larry Reeves (larryr(AT)acm.org), May 24 2001
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EXTENSIONS
| Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12, 2002
a(18)-a(20) from Lars Blomberg (lars.blomberg(AT)visit.se), Aug 23 2011
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