A029501 - OEIS

A029501

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 8 (most significant digit on right).

1, 2, 4, 6, 7, 11, 182, 427, 649, 859, 1559, 5579, 10577, 11830, 19915, 533022, 546690, 569462, 673682, 1050721, 1233092, 1621270, 1771002, 9151954

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OFFSET

1,2

COMMENTS

This sequence differs from A061937 in that all least significant zeros are kept during concatenation.

No more terms < 10^7. - Lars Blomberg, Oct 04 2011

LINKS

EXAMPLE

See A029495 for example.

MATHEMATICA

b = 8; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 12 2020 *)

CROSSREFS

KEYWORD

nonn,base

AUTHOR

EXTENSIONS

Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002

a(19)-a(24) from Lars Blomberg, Oct 04 2011

STATUS

approved