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A061945 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 16 (most significant digit on right). 1
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 25, 29, 53, 110, 177, 237, 255, 2260, 3214, 4313, 4563, 7595, 20220, 35139, 167134, 180319, 186885, 315850, 439975, 559740, 4393188, 8414132, 8434510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029509 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Oct 22 2011]

LINKS

Table of n, a(n) for n=1..34.

Index entries for related sequences

EXAMPLE

See A061931 for example.

MATHEMATICA

b = 16; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, IntegerDigits[IntegerReverse[#, b], b]], b], #] &] (* Robert Price, Mar 08 2020 *)

CROSSREFS

Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.

Sequence in context: A232823 A329469 A018412 * A029509 A048645 A173786

Adjacent sequences:  A061942 A061943 A061944 * A061946 A061947 A061948

KEYWORD

nonn,base,more

AUTHOR

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

EXTENSIONS

Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002

a(32)-a(34) from Lars Blomberg, Oct 22 2011

STATUS

approved

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Last modified June 2 14:21 EDT 2020. Contains 334787 sequences. (Running on oeis4.)