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 A105854 Primes of the form 20*k + 3. 15
 3, 23, 43, 83, 103, 163, 223, 263, 283, 383, 443, 463, 503, 523, 563, 643, 683, 743, 823, 863, 883, 983, 1063, 1103, 1123, 1163, 1223, 1283, 1303, 1423, 1483, 1523, 1543, 1583, 1663, 1723, 1783, 1823, 2003, 2063, 2083, 2143, 2203, 2243, 2383, 2423, 2503, 2543 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Cf. A030431: Primes of the form 10*k + 3. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[3, 2003, 20], PrimeQ[ # ]&] PROG (Magma) [n: n in PrimesUpTo(2600) | IsDivisibleBy(n-3, 20)]; // Bruno Berselli, Apr 05 2011 (Magma) [ a: n in [0..250] | IsPrime(a) where a is 20*n+3 ]; // Vincenzo Librandi, Apr 06 2011 CROSSREFS Cf. A000040, A030431. Sequence in context: A117738 A014582 A146142 * A160022 A307530 A187094 Adjacent sequences: A105851 A105852 A105853 * A105855 A105856 A105857 KEYWORD nonn,easy AUTHOR Zak Seidov, May 05 2005 EXTENSIONS More terms from N. J. A. Sloane, Jul 11 2008 STATUS approved

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Last modified December 3 09:50 EST 2022. Contains 358517 sequences. (Running on oeis4.)