A029475 Numbers k that divide the (left) concatenation of all numbers <= k written in base 6 (most significant digit on left).

1, 5, 25, 31, 1325, 2875, 1936775, 4573295, 36887975, 417298925, 420098275, 2635449545, 24983644093

Offset

1,2

Comments

No other terms below 3*10^10.

Links

Table of n, a(n) for n=1..13.

Index entries for related sequences

Mathematica

b = 6; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* Robert Price, Mar 12 2020 *)

Crossrefs

Cf. A007092.

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

Sequence in context: A036127 A291755 A018639 * A332657 A070391 A375154

Adjacent sequences: A029472 A029473 A029474 * A029476 A029477 A029478

Keyword

nonn,base,more

Author

Olivier Gérard

Extensions

Corrected by Andrew Gacek (andrew(AT)dgi.net), Feb 20 2000

Corrected and 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(7)-a(9) from Max Alekseyev, May 13 2011

a(10)-a(13) from Jason Yuen, May 14 2024

Status

approved