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A092046
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Numbers n such that prime(n) == -4 (mod n).
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10
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1, 3, 5, 7, 9, 67, 441, 2615, 637237, 637329, 4124703, 27067119, 179993017, 1208198617, 8179002101, 55762149071, 55762149091
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; p = 1; Do[ If[ Mod[p = NextPrim[p], n] == n - 4, Print[n]], {n, 1, 10^9}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Corrected by Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Feb 20 2004
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STATUS
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approved
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