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!)
A142089 Primes congruent to 19 mod 35. 1

%I #13 Sep 08 2022 08:45:35

%S 19,89,229,439,509,719,859,929,1069,1279,1489,1559,1699,1979,2399,

%T 2539,2609,2749,2819,3169,3449,3659,4079,4219,4289,4639,4919,5059,

%U 5479,5689,6389,6529,6599,6949,7019,7159,7229,7369,7649,7789,8069,8209,8419,8629

%N Primes congruent to 19 mod 35.

%H Vincenzo Librandi, <a href="/A142089/b142089.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 24n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Range[19, 20000, 35], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 29 2011 *)

%t Select[Prime[Range[3000]],MemberQ[{19},Mod[#,35]]&] (* _Vincenzo Librandi_, Aug 19 2012 *)

%o (Magma) [p: p in PrimesUpTo(9000) | p mod 35 eq 19 ]; // _Vincenzo Librandi_, Aug 19 2012

%o (PARI) is(n)=isprime(n) && n%35==19 \\ _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 August 12 13:41 EDT 2024. Contains 375113 sequences. (Running on oeis4.)