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Search: id:A128667
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| A128667 |
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Primes p such that p^2 divides 13^(p-1) - 1. |
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+0
3
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OFFSET
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1,1
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CROSSREFS
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Cf. A001220, A014127, A123692, A123693, A128668, A090968, A128669. Cf. A039951, A090968.
Sequence in context: A013537 A028485 A034227 this_sequence A050247 A070967 A070927
Adjacent sequences: A128664 A128665 A128666 this_sequence A128668 A128669 A128670
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KEYWORD
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bref,hard,more,nonn
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AUTHOR
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Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 26 2007
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