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A142192
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Primes congruent to 23 mod 40.
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2
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23, 103, 223, 263, 383, 463, 503, 743, 823, 863, 983, 1063, 1103, 1223, 1303, 1423, 1543, 1583, 1663, 1783, 1823, 2063, 2143, 2383, 2423, 2503, 2543, 2663, 2903, 3023, 3343, 3463, 3583, 3623, 3823, 3863, 3943, 4423, 4463, 4583, 4663, 4703, 4783, 4903, 4943
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Select[Prime[Range[2000]], MemberQ[{23}, Mod[#, 40]]&] (* Vincenzo Librandi, Aug 22 2012 *)
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PROG
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(Magma) [p: p in PrimesUpTo(6000) | p mod 40 eq 23 ]; // Vincenzo Librandi, Aug 22 2012
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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