A061965 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 12 (most significant digit on right).

1, 11, 14147, 22991, 713339

Offset

1,2

Comments

This sequence differs from A029529 in that all least significant zeros are kept during concatenation.

No more terms < 10^7. [Lars Blomberg, Aug 17 2011]

Links

Table of n, a(n) for n=1..5.

Index entries for related sequences

Example

See A061955 for example.

Mathematica

b = 12; 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: A068137 A220979 A125546 * A013748 A076783 A249645

Adjacent sequences: A061962 A061963 A061964 * A061966 A061967 A061968

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(5) from Lars Blomberg, Aug 17 2011

Status

approved