A051395 ?= A051386

[Jud McCranie]

At 07:34 AM 6/22/2003, all at abouthugo.de wrote:

>If we can write a^4 = p^3 + q^3 p>=q then it seems that
>we can also always write a^7 = u^3 + v^3 with u/v=p/q
>
>Can we express v=f(p,q) and thus merge both sequences into one?

I think it can be combined if we can be sure that there are no solutions 
for 7th powers other than the ones with equivalent 4th powers.  As you 
pointed out, a 4th power solution gives a 7th power one.  Is the reverse 
also true?  (It isn't clear to me.  I didn't think about it at the time.)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://list.seqfan.eu/pipermail/seqfan/attachments/20030622/be9360ca/attachment-0001.htm>