A061967 - OEIS

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

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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

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

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