[seqfan] Re: Numbers = sum of two powers of primes

Zak Seidov zakseidov at mail.ru
Wed Sep 7 18:22:02 CEST 2016


https://oeis.org/A196752  
case "squares plus cubes"


>Среда,  7 сентября 2016, 18:10 +03:00 от Zak Seidov via SeqFan <seqfan at list.seqfan.eu>:
>
>25=2^4+3^2=2^3+17^1 (good but not the best - due to 17^1).
>
>
>>Среда,  7 сентября 2016, 17:37 +03:00 от Zak Seidov via SeqFan < seqfan at list.seqfan.eu >:
>>
>>Sure if all powers = just primes,
>>it's not interesting case and may be excluded.
>>...You see that I omit many details when asking my Q:(
>>
>>
>>>Среда,  7 сентября 2016, 16:51 +03:00 от Hans Havermann <  gladhobo at teksavvy.com >:
>>>
>>>> "All Distinct Primes" case is more restrictive and more "interesting"
>>>
>>>So, 16 = 3^1 + 13^1 = 5^1 + 11^1 as an example thereof?
>>>
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>>>Seqfan Mailing list -  http://list.seqfan.eu/
>>
>>
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>
>
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