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URL: https://oeis.org/history?seq=A080433

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)


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Showing entries 1-10 | older changes
a(1) = 2; for n>1, a(n) = smallest multiple of n beginning with the least significant digit of a(n-1) > n and not divisible by 10 if n is not of the type 10k; otherwise a(n) ends in 0 and a(n+1) begins with the first nonzero digit from the right(LSD) of a(n).
#13 by Michael De Vlieger at Tue Sep 23 10:13:00 EDT 2025
STATUS
#12 by Andrew Howroyd at Tue Sep 23 09:58:05 EDT 2025
STATUS
#11 by Jason Yuen at Mon Sep 22 22:13:48 EDT 2025
STATUS
Discussion
Mon Sep 22
23:37
Andrew Howroyd: No response from someone who recently posted requests for help to seqfan? Perhaps no surprise.
#10 by Jason Yuen at Mon Sep 22 22:13:45 EDT 2025
COMMENTS
EXAMPLE
STATUS
#9 by Jason Yuen at Mon Sep 22 22:12:47 EDT 2025
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#8 by Jason Yuen at Mon Sep 22 22:12:41 EDT 2025
COMMENTS
STATUS
#7 by Sean A. Irvine at Mon Sep 22 15:58:24 EDT 2025
STATUS
#6 by Sean A. Irvine at Mon Sep 22 15:57:31 EDT 2025
COMMENTS
KEYWORD
Discussion
Mon Sep 22
15:58
Sean A. Irvine: No response, so how about like this.
#5 by Sean A. Irvine at Sat Sep 20 16:05:54 EDT 2025
STATUS
#4 by Sean A. Irvine at Thu Sep 18 17:59:36 EDT 2025
STATUS
Discussion
Thu Sep 18
22:47
Jason Yuen: I don't understand these 3 terms:
* a(3) = 24 (instead of 21)
* a(7) = 49 (instead of 42)
* a(17) = 221 (instead of 204)

Is there a definition that explains a(3), a(7), and a(17)?
22:52
Sean A. Irvine: I wrote Amarnath
Sat Sep 20
11:41
Michael De Vlieger: Sean, should we adjourn and revisit if Amarnath responds?
16:05
Sean A. Irvine: Putting back to editing in the meantime.