[seqfan] Re: Divisors showing a string

M. F. Hasler oeis at hasler.fr
Sat Oct 4 20:30:10 CEST 2014


On Sat, Oct 4, 2014 at 2:15 PM, Hans Havermann <gladhobo at teksavvy.com> wrote:
> M. F. Hasler: "11,12,42,84,124,135,248,325,366,510,550,555,624,650,714,1010,1111,1525,1734,2510,3913,4020,5100,5500,5610,5625,8040,..."
>
> That would be *at least* twice as opposed to *exactly* twice, because 1111 is thrice.

I agree, I did suppose that Eric meant "at least" and not "exactly".
But what is the next such number, with 3 or more occurrences?
Is there any with (at least) 4?

PS: I propose the sequence as https://oeis.org/draft/A248323
including a comment about the infinite subsequence
A42(A047235)... :-)

M.



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