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A029516
Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 23 (most significant digit on right).
1
1, 11, 33, 48, 112, 165, 176, 209, 528, 720, 1584, 2123, 2717, 6919, 9680, 18080, 23991, 47597, 58656, 75213, 106815, 111392, 253792, 278245, 343409, 502523, 528128, 934560
OFFSET
1,2
COMMENTS
This sequence differs from A061952 in that all least significant zeros are kept during concatenation.
No more terms < 10^7. - Lars Blomberg, Oct 14 2011
EXAMPLE
See A029495 for example.
MATHEMATICA
b = 23; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 13 2020 *)
KEYWORD
nonn,base,more
EXTENSIONS
Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002, Aug 25 2002
a(28) from Lars Blomberg, Oct 14 2011
STATUS
approved