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A029490 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 21 (most significant digit on left). 0
1, 5, 25, 43, 55, 128, 275, 1280, 2816, 5888, 6400, 12800, 28160, 33413, 37376, 129919, 140800, 286025, 352000, 990845, 1050880, 1773725, 2848000, 3581033, 4343680, 4428160, 5624960, 6732160, 7553920, 8497280, 9249995, 9872000, 10938752, 11426176, 14558575, 14569600, 15368320, 18998705, 19312000, 21362275, 24208000, 24934855, 27632000, 32432000, 37022605, 43193216, 51382265, 53717375, 81016375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

Index entries for related sequences

CROSSREFS

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

Sequence in context: A293571 A294256 A056872 * A223654 A098947 A223222

Adjacent sequences:  A029487 A029488 A029489 * A029491 A029492 A029493

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

Thirty more terms from Max Alekseyev, May 15 2011

STATUS

approved

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Last modified October 22 05:29 EDT 2019. Contains 328315 sequences. (Running on oeis4.)