[seqfan] Re: A153025 5,235,72335

[f.firoozbakht at sci.ui.ac.ir]

Dear seqfans,

 From discussion in seqfan list we don't conclude that there are no
other such numbers. So we don't know sequence is full and finite.
Am I right?

Farideh

Quoting zak seidov <zakseidov at yahoo.com>:

> %I A153025
> %S A153025 5,235,72335
> %N A153025 Numbers n with property that n and n^2 use only prime digits.
> %C A153025 Apparently there are no other such numbers (from    
> discussion in seqfan list Dec 2008).
> %e A153025 {5, 235, 72335}^2 = {25, 55225, 5232352225}
> %K A153025 fini,full,nonn
> %O A153025 1,1
> %A A153025 Zak Seidov (zakseidov(AT)yahoo.com), Dec 17 2008
>
>
>
>
>
>
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