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Search: id:A128669
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| A128669 |
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Primes p such that p^2 divides 23^(p-1) - 1. |
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+0
3
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OFFSET
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1,1
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REFERENCES
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Richard Fischer, http://www.fermatquotient.com/FermatQuotienten/
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CROSSREFS
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Cf. A001220, A014127, A123692, A123693, A128667, A128668, A090968. Cf. A039951, A090968.
Sequence in context: A013798 A055324 A055313 this_sequence A013866 A014384 A034248
Adjacent sequences: A128666 A128667 A128668 this_sequence A128670 A128671 A128672
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KEYWORD
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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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