[seqfan] Re: A175347: Primes in A176303

Maximilian Hasler maximilian.hasler at gmail.com
Sun Apr 18 19:35:50 CEST 2010


Maybe it would be more "economical" to list the exponents (indices of
A176303) rather than the primes themselves...
That sequence would go on:

47,55,103,143, 391, 2807,

the next term is > 8000.

Maximilian

On Sun, Apr 18, 2010 at 6:31 PM, zak seidov <zakseidov at yahoo.com> wrote:
> Just submitted.
> Zak
>
>> Subject: NEW SEQUENCE FROM submitN Zak Seidov A175347
>
>> Date: Sunday, April 18, 2010, 12:40 PM
>
>> %I A175347
>> %S A175347
>> 140737488355201,36028797018963841,10141204801825835211973625642881,
>> %T A175347 11150372599265311570767859136324180752990081
>> %N A175347 Primes in A176303.
>> %C A175347 These are 2^n-127 for n = {47,55,103,143}.
>> %K A175347 nonn
>> %O A175347 1,1
>> %A A175347 Zak Seidov (zakseidov(AT)yahoo.com), Apr 18
>> 2010
>>
>>
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