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A252582
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Triangular array of values of Wieferich primes p in A252232 read by rows.
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1
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2, 2, 3, 3, 7, 13, 2, 3, 11, 157, 2, 5, 7, 19, 83, 2, 11, 17, 109, 239, 401, 5, 7, 11, 13, 83, 173, 1259, 2, 3, 5, 11, 31, 37, 61, 109, 2, 3, 5, 7, 43, 293, 317, 383, 1627, 2, 5, 7, 11, 31, 47, 89, 167, 523, 619
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OFFSET
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1,1
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LINKS
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EXAMPLE
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Triangle starts
2
2 3
3 7 13
2 3 11 157
2 5 7 19 83
2 11 17 109 239 401
5 7 11 13 83 173 1259
2 3 5 11 31 37 61 109
2 3 5 7 43 293 317 383 1627
2 5 7 11 31 47 89 167 523 619
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MATHEMATICA
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Flatten@Table[k=2; While[Length[s=Select[Prime@Range@PrimePi[k-1], PowerMod[k, (#-1), #^2]==1&]]!=n, k=NextPrime@k]; s, {n, 8}] (* Giorgos Kalogeropoulos, Oct 28 2021 *)
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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