A029516 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 23 (most significant digit on right).

1, 11, 33, 48, 112, 165, 176, 209, 528, 720, 1584, 2123, 2717, 6919, 9680, 18080, 23991, 47597, 58656, 75213, 106815, 111392, 253792, 278245, 343409, 502523, 528128, 934560

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• more

Comments

This sequence differs from A061952 in that all least significant zeros are kept during concatenation.

No more terms < 10^7. - Lars Blomberg, Oct 14 2011

Examples

			See A029495 for example.
		

Links

• Index entries for related sequences

Crossrefs

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

Programs

Mathematica

b = 23; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 13 2020 *)

Extensions

Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002, Aug 25 2002

a(28) from Lars Blomberg, Oct 14 2011