User talk:Fjackson

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Thank you for the new Johnson circles article. Oleg Alexandrov (talk) 01:45, 5 July 2007 (UTC)

Re: your question

I replied on my talk page, to keep all the conversation in one place. Oleg Alexandrov (talk) 03:48, 27 November 2007 (UTC)

I replied again on my talk. Oleg Alexandrov (talk) 17:49, 12 January 2008 (UTC)

Conway triangle notation

If just done a bunch of math notation edits on Conway triangle notation. Please notice the difference between these two things:

${\sqrt {(}}a+b)\,$

${\sqrt {a+b\,}}$

and between these two things:

$({\frac {a}{b}})$

$\left({\frac {a}{b}}\right)$

Michael Hardy (talk) 18:31, 24 February 2008 (UTC)

Disambiguation link notification for December 20

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Geometry

Quick question what is the largest triple they have found? Also i think 1\3 +1\4+1\5 =1. Just wondering if you wanna hear about it Blackcat129 (talk) 08:00, 18 January 2018 (UTC)

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Collatz number for Mersenne prime a-48

I finished calculating the Collatz number for the Mersenne prime a-48 (2^57885161-1). The value is 779044992. It took only 6039 minutes to verify. To make sure my calculation was correct, I did the first 30 Mersenne and they all matched to the list on OEIS.

I can send you the code if you want to validate it before updating the OEIS entry. Best regards. ReallyNiceGuy ^✉ 16:53, 12 September 2022 (UTC)

Code: https://github.com/ReallyNiceGuy/collatz_mersenne -- ReallyNiceGuy ^✉ 17:06, 12 September 2022 (UTC)

==Collatz steps for Mersenne Primes above a-45==

Above a-45, the ranking of Mersenne primes is provisional. So, the formal sequence of Mersenne primes is only verifiable up to a-45. Consequently, the formal sequence of Collatz steps for Mersenne primes is only verifiable up to s(a-45).

The comment section of OEIS A181777 has all 6 unranked steps for a-46 to a-51 and your value for a-48 is confirmed.

Apologies for a tardy reply but have been away visiting friends. Frank M. Jackson (talk) 17:12, 19 September 2022 (UTC)