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 A132234 Primes congruent to 19 (mod 30). 9
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Also primes congruent to 4 (mod 15). - N. J. A. Sloane, Jul 11 2008 Primes ending in 9 with (SOD-1)/3 integer where SOD is sum of digits. - Ki Punches LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 C. K. Caldwell, The Prime Pages. FORMULA a(n) = A158806(n)*30 + 19. - Chandler Intersection of A030433 and A002476. - Chandler MATHEMATICA Select[Prime[Range[1000]], MemberQ[{19}, Mod[#, 30]]&] (* Vincenzo Librandi, Aug 14 2012 *) Select[Range[19, 2700, 30], PrimeQ] (* Harvey P. Dale, Dec 26 2014 *) PROG (MAGMA) [p: p in PrimesUpTo(3000) | p mod 30 eq 19 ]; // Vincenzo Librandi, Aug 14 2012 (PARI) is(n)=isprime(n) && n%30==19 \\ Charles R Greathouse IV, Jul 01 2016 CROSSREFS Cf. A000040, A039949, A132230-A132236. Sequence in context: A098467 A041700 A213832 * A074822 A139871 A142789 Adjacent sequences:  A132231 A132232 A132233 * A132235 A132236 A132237 KEYWORD nonn,easy AUTHOR Omar E. Pol, Aug 15 2007 EXTENSIONS Extended by Ray Chandler, Apr 07 2009 STATUS approved

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Last modified August 23 12:00 EDT 2019. Contains 326222 sequences. (Running on oeis4.)