login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142641 Primes congruent to 1 mod 56. 1

%I

%S 113,281,337,449,617,673,953,1009,1289,2017,2129,2297,2521,2633,2689,

%T 2801,2857,2969,3137,3361,3529,3697,4201,4481,4649,4817,5153,5209,

%U 5657,5881,6217,6329,6553,6833,7001,7057,7393,7561,7673,7841,8009,8233,8513,8681

%N Primes congruent to 1 mod 56.

%H Vincenzo Librandi, <a href="/A142641/b142641.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[1300]], MemberQ[{1}, Mod[#, 56]] &] (* _Vincenzo Librandi_, Sep 01 2012 *)

%o (MAGMA) [p: p in PrimesUpTo(10000) | p mod 56 eq 1 ]; // _Vincenzo Librandi_, Sep 01 2012

%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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 26 16:19 EDT 2021. Contains 348267 sequences. (Running on oeis4.)