login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142795 Primes congruent to 43 mod 60. 2

%I #11 Sep 08 2022 08:45:37

%S 43,103,163,223,283,463,523,643,823,883,1063,1123,1303,1423,1483,1543,

%T 1663,1723,1783,2083,2143,2203,2383,2503,2683,2803,3163,3343,3463,

%U 3583,3643,3823,3943,4003,4243,4363,4423,4483,4603,4663,4723,4783,4903,5023,5323

%N Primes congruent to 43 mod 60.

%H Vincenzo Librandi, <a href="/A142795/b142795.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 16n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[900]], MemberQ[{43}, Mod[#, 60]] &] (* _Vincenzo Librandi_, Sep 04 2012 *)

%t Select[Range[43,5500,60],PrimeQ] (* _Harvey P. Dale_, Nov 25 2012 *)

%o (Magma) [p: p in PrimesUpTo(6000) | p mod 60 eq 43 ]; // _Vincenzo Librandi_, Sep 04 2012

%o (PARI) is(n)=isprime(n) && n%60==43 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)