[seqfan] Re: Discussion of A14960.

Max Alekseyev maxale at gmail.com
Mon May 24 18:02:09 CEST 2010


On Sat, May 22, 2010 at 12:52 PM, N. J. A. Sloane <njas at research.att.com> wrote:

> Conjecture: All numbers in the sequence are multiple of 23. Conjecture: All numbers in the sequence have at most two different prime factors. - Thomas Baruchel (baruchel(AT)users.sourceforge.net), Oct 10 2003

As of these two conjectures, the former is obviously true (the
smallest prime factor of n can be nothing else but 23), the latter is
obviously wrong with a counterexample: n = 23*47*14759.

Max




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