A029482 Numbers k that divide the (left) concatenation of all numbers <= k written in base 13 (most significant digit on left).

1, 3, 9, 15, 21, 35, 53, 64, 105, 192, 320, 448, 576, 960, 1344, 2583, 2611, 2688, 4480, 5760, 8064, 8865, 12160, 13440, 23168, 28413, 131727, 201349, 654231, 901299, 1121799, 2629184, 11874240, 13712832, 35644608, 68560525, 76680065, 79404800, 97064075

Offset

1,2

Comments

a(84) > 3*10^10. - Jason Yuen, May 31 2024

Links

Jason Yuen, Table of n, a(n) for n = 1..83

Index entries for related sequences

Mathematica

b = 13; 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: A137164 A108701 A064539 * A174786 A216974 A246298

Adjacent sequences: A029479 A029480 A029481 * A029483 A029484 A029485

Keyword

nonn,base

Author

Olivier Gérard

Extensions

More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 20 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(29)-a(39) from Max Alekseyev, May 16 2011

Status

approved