[seqfan] Re: D(n)

Giovanni Resta giovanni.resta at iit.cnr.it
Mon Dec 9 14:32:19 CET 2019


On 12/8/19 11:07 PM, David Sycamore via SeqFan wrote:

> Combining the above with your results, the updated terms are now (up to a(7)):
> 
> 1, 11, 112, 166, 886, 4468, 22468, 112468...

Uhm. If I got the definition right, a(1)-a(10) =


1, 11, 112, 166, 688, 4468, 22468, 112468, 124699, 1678999, ...

In particular,
I got a(5)=688 (since 688 -> 616 -> 121 -> 22 -> 4) instead of a(5)=886.

Giovanni



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