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Old 2015-10-13, 13:59   #6
R.D. Silverman
 
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Nov 2003

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Quote:
Originally Posted by LaurV View Post
That is false. For n=4, all are composite. Also for n=11, all are composite.
I expect that the OP intended for n = 2.

However, I'd still like an answer to my question as to why the OP thinks that presenting a
sequence of numbers is in any way a "proof". There were no mathematical statements
asserting that some (set of) condition(s) is true, nor were there any logical statements.
It was just a list of numbers. How can this be a proof?
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