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A331426
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Prime numbers p such that p^2 divides 37^(p-1) - 1.
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2
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Range[10^5], PrimeQ[#] && PowerMod[37, # - 1, #^2] == 1 &] (* Amiram Eldar, May 05 2021 *)
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PROG
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(PARI) forprime(p=2, 1e8, if(Mod(37, p^2)^(p-1)==1, print1(p", ")))
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CROSSREFS
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Wieferich primes to base b: A001220 (b=2), A014127 (b=3), A123692 (b=5), A123693 (b=7), A128667 (b=13), A128668 (b=17), A090968 (b=19), A128669 (b=23), A331424 (b=31), this sequence (b=37), A331427 (b=41).
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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