A029505 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 12 (most significant digit on right).

1, 2, 3, 4, 6, 11, 106, 616, 990, 1232, 1276, 1534, 3494, 8140, 43054, 52634, 97691, 99280, 131846, 136006, 355877, 617749, 824703, 2115058, 3011987

Offset

1,2

Comments

This sequence differs from A061941 in that all least significant zeros are kept during concatenation.

No more terms < 10^7. - Lars Blomberg, Oct 07 2011

Links

Table of n, a(n) for n=1..25.

Index entries for related sequences

Example

See A029495 for example.

Mathematica

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

Crossrefs

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

Sequence in context: A003099 A375169 A061941 * A185092 A384632 A218337

Adjacent sequences: A029502 A029503 A029504 * A029506 A029507 A029508

Keyword

nonn,base,more

Author

Olivier Gérard

Extensions

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

Additional comments and more terms from Larry Reeves (larryr(AT)acm.org), Jun 05 2001

a(22)-a(25) from Lars Blomberg, Oct 07 2011

Status

approved