Thread: k=1 thru k=12
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Old 2008-06-01, 15:50   #2
Just call me Henry
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Sep 2007
Cambridge (GMT/BST)

132728 Posts

forget reisel it always has a factor b+1
there also seems to to algebraic factors of sierp except if n is a power of 2 but i cant quite place my finger on it
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