[seqfan] Re: not b-files

[Joe Crump]

Here's an upper bound for a(31,54) <= 333795394545127817737

FYI:  I put seqfan to the BCC line -- assuming we can compute any 
corrections offline and have Bob collect them. Unless anyone else is 
particularly interested in the various updates.

- Joe


----- Original Message ----- 
From: "Hagen von Eitzen" <math at von-eitzen.de>
To: <njas at research.att.com>
Cc: <rgwv at rgwv.com>; <joe.crump at wachovia.com>; <joecr at carolina.rr.com>; 
<seqfan at seqfan.eu>
Sent: Saturday, August 15, 2009 2:04 PM
Subject: Re: not b-files


> N. J. A. Sloane schrieb:
>> Bob,  thanks for sending (or resending) all those a-files and b-files!
>>
>> I've been busy working on improving the Index, getting it
>> ready for the Wiki.
>>
>> As a result I am very behind in processing updates to the OEIS.
>> I hope to get caught up by next week,
>>
>> I'll copy this to the seqfan list.  Neil
>>
>>
>
> Dear all,
>
> some corrections are definitely necessary:
>
> a128371.txt:
>   replace
>     54      51205605391 with
>     54 -1
>
> NB: I calculate in pari
> n=51205605391;lift(Mod(31,n)^n)
> and obtain 24 instead of 54; in fact a128371.txt gives the same value for 
> a(24).
> With further investigation I find that a(54) > 10^12. I do not have any 
> upper bound yet.
>
> a128372.txt:
>   replace
>     8749       3952162827
>   with
>     8749 440244347377
>
> NB: I calculate in pari
> n=3952162827;lift(Mod(32,n)^n)
> and obtain 1975035851 instead of 8749.
>
>
> Regards
> Hagen