[seqfan] Re: A200000

Jonathan Post jvospost3 at gmail.com
Mon Nov 14 21:27:02 CET 2011


The cited seq "List of numbers n such that n is equal to the number of
1's in the decimal digits of all numbers <= n." is pretty, albeit
arbitrarily in Base 10.  Is there any seq for which nontrivially a(1)
or a(0) = 200000?

On Mon, Nov 14, 2011 at 8:55 AM, Vladimir Shevelev <shevelev at bgu.ac.il> wrote:
> I suggest  to reserve A200000 for the most interesting sequence among sequences containing 200000 (and not only among them!)
>
> In my opinion, it is a beautiful finite sequence A014778 by Yv. Babe, M. Protat and Ol. Gerard.
>
> Regards,
> Vladimir
>
> ----- Original Message -----
> From: "N. J. A. Sloane" <njas at research.att.com>
> Date: Monday, November 14, 2011 3:35
> Subject: [seqfan] A200000
> To: seqfan at seqfan.eu
> Cc: jaroslav.krizek at atlas.cz, njas at research.att.com, crgreathouse at gmail.com
>
>>
>> Dear Seqfans,
>> On the Future Projects page on the OEIS wiki,
>> Charles Greathouse suggested that we reserve A200000
>> for an especially interesting sequence. Something really
>> special. Any suggestions?
>> (We can renumber any recent sequence to A200000, of course.)
>> Neil
>>
>> PS A200000 had been reserved by Jaroslav Krizek. I have
>> written to him asking if he would be willing to give it up.
>>
>> _______________________________________________
>>
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>>
>
>  Shevelev Vladimir‎
>
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>
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