This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A142184 Primes congruent to 3 mod 40. 1
 3, 43, 83, 163, 283, 443, 523, 563, 643, 683, 883, 1123, 1163, 1283, 1483, 1523, 1723, 2003, 2083, 2203, 2243, 2683, 2803, 2843, 2963, 3083, 3163, 3203, 3323, 3643, 3803, 3923, 4003, 4243, 4283, 4363, 4483, 4523, 4603, 4643, 4723, 5003, 5323, 5443, 5483 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 FORMULA a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016 MATHEMATICA Select[Prime[Range[2000]], MemberQ[{3}, Mod[#, 40]]&] (* Vincenzo Librandi, Aug 20 2012 *) Select[Range[3, 5500, 40], Prime (* Harvey P. Dale, Jun 10 2015 *) PROG (MAGMA)[p: p in PrimesUpTo(7000) | p mod 40 eq 3]; // Vincenzo Librandi, Aug 20 2012 (PARI) is(n)=isprime(n) && n%40==3 \\ Charles R Greathouse IV, Jul 03 2016 CROSSREFS Cf. A000040. Sequence in context: A185632 A006033 A246994 * A199348 A002551 A127930 Adjacent sequences:  A142181 A142182 A142183 * A142185 A142186 A142187 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jul 11 2008 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 19 00:55 EDT 2019. Contains 324217 sequences. (Running on oeis4.)