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!)
A142858 Primes congruent to 60 mod 61. 2

%I #13 Sep 08 2022 08:45:37

%S 487,853,1097,1951,2683,2927,3049,3659,4391,4513,6221,6343,6709,8539,

%T 8783,10247,10369,10613,10979,11467,11833,12809,13297,13907,14029,

%U 14639,15493,15737,15859,16103,18787,19031,19763,20129,20983,21227,22447,22691,23057

%N Primes congruent to 60 mod 61.

%H Vincenzo Librandi, <a href="/A142858/b142858.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 60n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Range[60, 30000, 61], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jul 14 2011 *)

%t Select[Prime[Range[2800]], MemberQ[{60}, Mod[#, 61]] &] (* _Vincenzo Librandi_, Sep 06 2012 *)

%o (Magma) [p: p in PrimesUpTo(24000) | p mod 61 eq 60 ] ; // _Vincenzo Librandi_, Sep 06 2012

%o (PARI) is(n)=isprime(n) && n%61==60 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040, A142322.

%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 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)