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!)
A142400 Primes congruent to 7 mod 48. 1

%I #10 Sep 08 2022 08:45:36

%S 7,103,151,199,439,487,631,727,823,919,967,1063,1303,1399,1447,1543,

%T 1783,1831,1879,2311,2503,2551,2647,2791,2887,3079,3271,3319,3463,

%U 3511,3559,3607,3847,3943,4231,4327,4423,4519,4567,4663,4759,4903,4951,4999,5431

%N Primes congruent to 7 mod 48.

%H Vincenzo Librandi, <a href="/A142400/b142400.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[1000]], MemberQ[{7}, Mod[#, 48]] &] (* _Vincenzo Librandi_, Aug 27 2012 *)

%o (Magma) [p: p in PrimesUpTo(6000) | p mod 48 eq 7]; // _Vincenzo Librandi_, Aug 27 2012

%o (PARI) is(n)=isprime(n) && n%48==7 \\ _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 July 17 17:29 EDT 2024. Contains 374377 sequences. (Running on oeis4.)