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Old 2018-01-16, 17:16   #7
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Jul 2009

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Originally Posted by GP2 View Post
I don't think that Mersenne primes create some kind of numerological distortion field that leaves clues in the residues of nearby Mersenne exponents.
I can tell you outright , that the residue of the even exponent mersenne after a mersenne prime exponent gives you
(-(2r+1))^2-2 mod the even exponent mersenne, where 2(2r+1)*adjacent mersenne prime = previous S_n. 14=2*7 tells you the next value mod 15 is 14 (aka -1). That being said I can't extend the math usefully to help.okay not quite right but close.

Last fiddled with by science_man_88 on 2018-01-16 at 18:15
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