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Search: id:A124122
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| A124122 |
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Double Wieferich prime pairs are pairs of primes (p, q) such that q^(p-1) == 1 (mod p^2) and p^(q-1) == 1 (mod q^2); sequence gives known values of p arranged in order of the q values. |
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+0
3
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OFFSET
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1,1
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COMMENT
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This is just the list of known pairs: there may be gaps.
Currently there are two known double Wieferich prime pairs (p, q) with q = 5: (1645333507, 5) and (188748146801, 5). - Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 10 2007
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LINKS
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Y. F. Bilu, Catalan's Conjecture
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CROSSREFS
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See A124121 for values of q.
Sequence in context: A115192 A091674 A022197 this_sequence A163561 A160370 A123366
Adjacent sequences: A124119 A124120 A124121 this_sequence A124123 A124124 A124125
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KEYWORD
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nonn,hard,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), following an email from Robert G. Wilson v, Nov 30 2006
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