[seqfan] Re: Help with translation wanted

[Alonso Del Arte]

There is no OEIS programming language. However, Mathematica, Maple,
MATLAB and Pari are all preferred over Excel. Do you have any of those?

Right now I'm at a computer with both Excel and Mathematica on it (and
probably MATLAB, too), but I have no idea how I would even begin to put your
program into Excel in order to test it.

Al

On Mon, Aug 9, 2010 at 6:28 AM, Mats Granvik <mgranvik at abo.fi> wrote:

> Hello seqfans,
>
> Yesterday I made this spreadsheet formula in Excel for calculating
> the Mertens function as an invariant:
>
> =if(row()>=column(); if(row()<=3; 1; if(column()=1; randbetween(-9;
> 9); if(or(column()=2; column()=3); sum(indirect(address(row();
> column()-1; 4)))-sum(indirect(address(row()-column()+1; column();
> 4)&":"&address(row()-1; column(); 4); 4));
> sum(indirect(address(row()-column()+2; column()-1;
> 4)&":"&address(row()-1; column()-1; 4);
> 4))-sum(indirect(address(row()-column()+1; column();
> 4)&":"&address(row()-1; column(); 4); 4))))); 0)
>
> Does anyone know how to translate it into oeis-language?
>
> The formula can be found in this table:
> http://www.research.att.com/~njas/sequences/A180050
> A related table:
> http://www.research.att.com/~njas/sequences/A180051
>
> Best regards,
> Mats Granvik
>
>
>
>
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