[math-fun] Ulam number picture

[Michele Dondi]

On Sun, 20 Feb 2005, David Wilson wrote:

> OK, let's start again.
>
> To all:  I have a picture of the Ulam numbers that illustrates their 
> quasiperdiocity. I created this picture a long time ago and sent a copy 
> to Eric Weisstein thinking that he might use it in Mathworld, but 
> apparently no interest.

But then again, what prevents you from uploading it somewhere and posting 
a link to it or attaching it here. (Don't know what is the policy about 
binary attachments on list, but I don't think this would be a major 
concern in this case.)


Michele
-- 
I once heard someone say, the sum of the reciprocals 
of the known primes is less than 4 - and it will always be.
- Gerry Myerson in sci.math, "Re: Summation of Reciprocals of Primes"