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A142440
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Primes congruent to 31 mod 49.
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1
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31, 227, 521, 619, 1109, 1697, 2089, 2383, 2579, 2677, 2971, 3167, 3461, 3559, 3853, 4049, 4441, 4637, 4931, 5323, 5519, 5813, 6793, 7283, 7577, 8263, 8753, 9341, 9439, 9733, 9929, 10223, 10321, 10909, 11399, 11497, 11987, 12281, 12379, 12967, 13163
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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[2500]], MemberQ[{31}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)
Select[Range[31, 14000, 49], PrimeQ] (* Harvey P. Dale, Aug 03 2024 *)
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PROG
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(Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 31]; // Vincenzo Librandi, Aug 28 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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