

A061978


Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 25 (most significant digit on right).


142



1, 3, 9, 21, 33, 57, 96, 864, 1033, 1661, 6449, 6624, 10464, 68249, 81664, 108981, 164384, 167571, 234311, 2420409, 5490464
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OFFSET

1,2


COMMENTS

This sequence differs from A029542 in that all least significant zeros are kept during concatenation.
No more terms < 7*10^6.


LINKS

Table of n, a(n) for n=1..21.
Index entries for related sequences


EXAMPLE

See A061955 for example.


CROSSREFS

Cf. A029447A029470, A029471A029494, A029495A029518, A029519A029542, A061931A061954, A061955A061978.
Sequence in context: A089322 A182632 A286590 * A031886 A147458 A169927
Adjacent sequences: A061975 A061976 A061977 * A061979 A061980 A061981


KEYWORD

nonn,base


AUTHOR

Larry Reeves (larryr(AT)acm.org), May 24 2001


EXTENSIONS

Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
a(20)a(21) from Lars Blomberg, Jul 22 2011


STATUS

approved



