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A029465 Numbers k that divide the (right) concatenation of all numbers <= k written in base 20 (most significant digit on left). 1
1, 2, 4, 5, 6, 10, 12, 14, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 58, 60, 71, 72, 74, 75, 76, 80, 85, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 261, 285, 300, 304, 318, 342, 360, 361, 380, 400, 410, 475, 500, 608, 703 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Robert Price, Table of n, a(n) for n = 1..187

MATHEMATICA

b = 20; c = {}; Select[Range[10^5], Divisible[FromDigits[

c = Join[c, IntegerDigits[#, b]], b], #] &] (* Robert Price, Mar 11 2020 *)

CROSSREFS

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

Sequence in context: A265349 A047433 A287332 * A014871 A029513 A061949

Adjacent sequences:  A029462 A029463 A029464 * A029466 A029467 A029468

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 17 16:17 EDT 2021. Contains 347487 sequences. (Running on oeis4.)