A029486 Numbers k that divide the (left) concatenation of all numbers <= k written in base 17 (most significant digit on left).

1, 111, 269, 512, 1536, 4499, 4608, 7401, 9216, 23552, 420864, 492544, 3635712, 7943997, 8175681, 11616768, 12344832, 20399616, 49798656, 77196800, 91584000, 162777600, 210598400, 261962240, 305856000, 379123200, 1484144097, 3318331392, 8416131072

Offset

1,2

Comments

No other terms below 3*10^10.

Links

Table of n, a(n) for n=1..29.

Index entries for related sequences

Mathematica

b = 17; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* Robert Price, Mar 12 2020 *)

Crossrefs

Cf. A029447-A029470, A029471-A029485, A029487-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.

Sequence in context: A074842 A180115 A082941 * A097650 A271312 A171773

Adjacent sequences: A029483 A029484 A029485 * A029487 A029488 A029489

Keyword

nonn,base,more

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), Jan 14 2002

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

a(13)-a(21) from Max Alekseyev, May 15 2011

a(22)-a(29) from Jason Yuen, Jun 29 2024

Status

approved