Prime Arithmetic Progression

From: Sean Dalton <sean.dalton007@xxxxxxxx>
Date: Fri, 14 Mar 2008 20:59:48 -0700 (PDT)

Good morning,

I've read about primes in arithmetic progression on

http://mathworld.wolfram.com/PrimeArithmeticProgression.html

and I'm not sure whether I got things right.

Is {3, 7, 11} a 3-term arithmetic progression of primes with
difference 4?
Or is it a 2-term arithmetic progression?

I would guess the latter one - otherwise the table on the bottom of
the page would not make sense: It is starting with k = 3 for a k-term.

Thank you,
Sean

.

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