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A132234
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Primes congruent to 19 (mod 30).
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10
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19, 79, 109, 139, 199, 229, 349, 379, 409, 439, 499, 619, 709, 739, 769, 829, 859, 919, 1009, 1039, 1069, 1129, 1249, 1279, 1399, 1429, 1459, 1489, 1549, 1579, 1609, 1669, 1699, 1759, 1789, 1879, 1999, 2029, 2089, 2179, 2239, 2269, 2389, 2539, 2659, 2689
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OFFSET
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1,1
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COMMENTS
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Primes ending in 9 with (SOD-1)/3 integer where SOD is sum of digits. - Ki Punches
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LINKS
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FORMULA
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a(n) = A158806(n)*30 + 19. - Chandler
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MATHEMATICA
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Select[Prime[Range[1000]], MemberQ[{19}, Mod[#, 30]]&] (* Vincenzo Librandi, Aug 14 2012 *)
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PROG
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(Magma) [p: p in PrimesUpTo(3000) | p mod 30 eq 19 ]; // Vincenzo Librandi, Aug 14 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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EXTENSIONS
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STATUS
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approved
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