[seqfan] Re: {5, 235, 72335}^2 = {25, 55225, 5232352225}

[Graziano Aglietti]

hello,
could you please email the demonstration?
thanks
Graz

> ==========================
> Date: Wed, 10 Dec 2008 16:21:44 -0500
> From: David Wilson <dwilson at gambitcomm.com>
> To: Sequence Fanatics <seqfan at list.seqfan.eu>
> Subject: [seqfan] Re: {5, 235, 72335}^2 = {25, 55225, 5232352225}
> ==========================
> 
> Yes
> 
> zak seidov wrote:
> > Dear SeqFans,
> >
> > Are 5, 235, & 72335
> >
> > the only numbers n such that n and n^2 use only prime digits:
> >
> 
> 
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