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A029512 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 19 (most significant digit on right). 2
1, 3, 9, 23, 24, 27, 40, 45, 72, 120, 135, 141, 145, 161, 243, 360, 520, 801, 1272, 1279, 1512, 2568, 2681, 3921, 4584, 7155, 8704, 12389, 22405, 27649, 32640, 34720, 40455, 62755, 65568, 89163, 120240, 125671, 144144, 193680, 204080, 241200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A061948 in that all least significant zeros are kept during concatenation.

LINKS

Lars Blomberg, Table of n, a(n) for a(n) < 10^7

EXAMPLE

See A029495 for example.

MATHEMATICA

b = 19; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 13 2020 *)

CROSSREFS

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

Sequence in context: A326007 A272559 A270991 * A210027 A018555 A147271

Adjacent sequences: A029509 A029510 A029511 * A029513 A029514 A029515

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

EXTENSIONS

Additional comments and more terms from Larry Reeves (larryr(AT)acm.org), Jun 01 2001

STATUS

approved

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Last modified February 3 00:09 EST 2023. Contains 360024 sequences. (Running on oeis4.)