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 A142619 #12 Sep 08 2022 08:45:37
%S A142619 191,521,631,1181,1291,1511,1621,1951,2281,3271,3491,3821,3931,4261,
%T A142619 4481,4591,5471,5581,5801,6131,6571,6791,7121,7451,7561,8111,8221,
%U A142619 9431,9871,10091,10531,10861,11411,12071,12401,12511,12841,13171,13721,13831,14051
%N A142619 Primes congruent to 26 mod 55.
%H A142619 Vincenzo Librandi, <a href="/A142619/b142619.txt">Table of n, a(n) for n = 1..1000</a>
%F A142619 a(n) ~ 40n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142619 Select[Prime[Range[1700]],Mod[#,55]==26&] (* _Harvey P. Dale_, Sep 20 2011 *)
%t A142619 Select[Prime[Range[2500]], MemberQ[{26}, Mod[#, 55]] &] (* _Vincenzo Librandi_, Aug 31 2012 *)
%o A142619 (Magma) [p: p in PrimesUpTo(16000) | p mod 55 eq 26]; // _Vincenzo Librandi_, Aug 31 2012
%o A142619 (PARI) is(n)=isprime(n) && n%55==26 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142619 Cf. A000040.
%K A142619 nonn,easy
%O A142619 1,1
%A A142619 _N. J. A. Sloane_, Jul 11 2008