A061967 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 14 (most significant digit on right).

1, 13, 23, 29, 39, 41, 57, 1027, 4093, 6151, 14053, 19717, 23621, 24439, 45919, 56947, 66601, 1374929

Offset

1,2

Comments

This sequence differs from A029531 in that all least significant zeros are kept during concatenation.

No more terms < 10^7. [Lars Blomberg, Aug 12 2011]

Links

Table of n, a(n) for n=1..18.

Index entries for related sequences

Example

See A061955 for example.

Mathematica

b = 14; 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: A102498 A019399 A255581 * A249350 A159082 A303576

Adjacent sequences: A061964 A061965 A061966 * A061968 A061969 A061970

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(18) from Lars Blomberg, Aug 12 2011

Status

approved