This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A142800 #11 Sep 08 2022 08:45:37
%S A142800 2,307,673,1039,1283,2137,2381,2503,3967,4211,4943,5309,5431,6163,
%T A142800 6529,7993,8237,8969,9091,10067,10433,10799,11287,11897,12263,14947,
%U A142800 15313,15679,15923,16411,17021,17387,17509,18119,18973,19583,19949,20071,20681,21169
%N A142800 Primes congruent to 2 mod 61.
%H A142800 Vincenzo Librandi, <a href="/A142800/b142800.txt">Table of n, a(n) for n = 1..1000</a>
%F A142800 a(n) ~ 60n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142800 Select[Prime[Range[2800]], MemberQ[{2}, Mod[#, 61]] &] (* _Vincenzo Librandi_, Sep 04 2012 *)
%t A142800 Select[Range[2,22000,61],PrimeQ] (* _Harvey P. Dale_, May 19 2017 *)
%o A142800 (Magma) [p: p in PrimesUpTo(22000) | p mod 61 eq 2 ]; // _Vincenzo Librandi_, Sep 04 2012
%o A142800 (PARI) is(n)=isprime(n) && n%61==2 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142800 Cf. A000040.
%K A142800 nonn,easy
%O A142800 1,1
%A A142800 _N. J. A. Sloane_, Jul 11 2008