A061962 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 9 (most significant digit on right).

1, 19, 32, 73, 115, 1063, 8713, 66752, 442247, 1686496

Offset

1,2

Comments

This sequence differs from A029526 in that all least significant zeros are kept during concatenation.

No more terms < 10^7.

Links

Table of n, a(n) for n=1..10.

Index entries for related sequences

Example

See A061955 for example.

Mathematica

b = 9; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[Reverse[IntegerDigits[#, b]], c], b], #] &] (* Robert Price, Mar 09 2020 *)

Crossrefs

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

Sequence in context: A133151 A184750 A101063 * A272910 A116168 A152088

Adjacent sequences: A061959 A061960 A061961 * A061963 A061964 A061965

Keyword

nonn,base,more

Author

Larry Reeves (larryr(AT)acm.org), May 24 2001

Extensions

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

a(9)-a(10) from Lars Blomberg, Aug 20 2011

Status

approved