A029539 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 22 (most significant digit on right).

1, 3, 7, 9, 21, 51, 483, 687, 919, 1095, 1395, 3117, 3649, 25329, 46487, 47963, 65541, 71547, 182949, 228057, 231483, 759747, 2420481, 3156489, 3781071, 5290915

Offset

1,2

Comments

This sequence differs from A061975 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Sep 27 2011]

Links

Table of n, a(n) for n=1..26.

Index entries for related sequences

Example

See A029519 for example.

Mathematica

b = 22; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[IntegerReverse[#, b], b], c], b], #] &] (* Robert Price, Mar 13 2020 *)

Crossrefs

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

Sequence in context: A003547 A029491 A018458 * A018267 A099886 A118564

Adjacent sequences: A029536 A029537 A029538 * A029540 A029541 A029542

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 04 2001

a(22)-a(26) from Lars Blomberg, Sep 27 2011

Status

approved