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A029494 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 25 (most significant digit on left). 141
1, 3, 9, 21, 39, 71, 101, 111, 128, 239, 251, 384, 401, 419, 521, 1152, 1664, 4992, 14976, 21617, 23296, 29952, 34437, 36608, 45312, 51183, 92928, 117481, 191232, 225043, 255309, 742144, 910592, 1374464, 4074467, 5427968, 10461747, 10528128, 10897536, 14721408, 15387264, 15529344, 18626688, 20796849, 27863424, 28862509, 32013423, 41722496, 47329152, 52894873, 64367901, 66678144, 68195712, 77870208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..54.

Index entries for related sequences

MATHEMATICA

b = 25; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* Robert Price, Mar 12 2020 *)

CROSSREFS

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

Sequence in context: A292392 A112039 A007518 * A059774 A064999 A100135

Adjacent sequences:  A029491 A029492 A029493 * A029495 A029496 A029497

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000

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

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

a(32)-a(54) from Max Alekseyev, May 16 2011

STATUS

approved

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Last modified December 3 02:56 EST 2020. Contains 338899 sequences. (Running on oeis4.)