[seqfan] Re: Selfdescribing reordering of N

[Olivier Gerard]

A version in base 2 of this idea would probably start

1, 2, 4, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 15, 17, 18, 19, \
20, 22, 23, 24, 21, 25, 26, 28, 27



On Sun, Feb 14, 2010 at 16:28, Eric Angelini <Eric.Angelini at kntv.be> wrote:

>
> First lexicographically reordering of the naturals
> such that the digitsum of any a(n) is visible in a(a(n)):
>
> 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,100,20,
> 23,24,25,26,27,28,29,101,11,30,34,35,36,37,38,39,
> 102,110,112,40,45,46,...
>
> Example:
> "12" says that 3 (digitsum 1+2) is visible in
> the 12th term of S (which is true, the 12th
> term being 13.
>
> Best,
> E.
>
>
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