A061952 - OEIS

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A061952

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 23 (most significant digit on right).

1, 11, 28, 44, 56, 93, 121, 132, 144, 176, 248, 396, 435, 528, 704, 1647, 2189, 2288, 2904, 2992, 6116, 8624, 9792, 9843, 23100, 76320, 102868, 139488, 198539, 252801, 271744, 718340, 859593, 972873, 1345421, 1875700, 4080868, 4422816, 9697495

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OFFSET

1,2

COMMENTS

This sequence differs from A029516 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Oct 25 2011]

LINKS

Table of n, a(n) for n=1..39.

Index entries for related sequences

EXAMPLE

See A061931 for example.

MATHEMATICA

b = 23; 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: A030756 A065006 A291058 * A336335 A140677 A264443

Adjacent sequences: A061949 A061950 A061951 * A061953 A061954 A061955

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

a(32)-a(39) from Lars Blomberg, Oct 25 2011

STATUS

approved