e(n) = 'Euclid number' = p1*p2*...*pn + 1 >>>>> A SquareFree sequences of Numbers?

[Mario VELUCCHI]

Dear 'Sequence fans' friends,
please, do you know the first reference (and follow) for this exact problem:

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 e(n) = 'Euclid number' = p1*p2*...*pn + 1

 with: p1 = 2, p2 = 3, ...,pn...:  first 'n' consecutive primes

 "Are all 'Euclid numbers' of this exact sequence, 'squarefree'?"
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Thanks for references!
.marioV


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Best, Mario Velucchi
----- home address ------------------------------- MValg. -
Mario VELUCCHI  /  Via Emilia, 106  /  I-56121 Pisa - Italy
---------------------------------------- Computer & Maths -
http://www.bigfoot.com/~velucchi
eMail:velucchi at bigfoot.com

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