I really wouldn't know what terms to search on, my mathematical english vocabulary being sunken away after 20 years of happily forgetting it ...

>>Thank you for the pointer, but eliminating duplicates in general is very easy. The problem is the evenly distribution, for which i seek the algorithm...
>>
>I see now, did you try to google already? It should be some mathematical algorithm, but I'm not sure at this moment what is it.
>
>Hopefully someone chime in.
>
>Good luck!