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 A268860 #35 Sep 08 2022 08:46:15
%S A268860 127,227,727,827,1327,1427,1627,2027,2927,3527,3727,4027,4127,4327,
%T A268860 5227,5527,5827,5927,6427,6827,7027,7127,7727,7927,8527,8627,9127,
%U A268860 9227,10427,10627,11027,11527,11827,11927,12227,12527,13127,13327,13627,14327,14627
%N A268860 Prime numbers ending in 27.
%p A268860 A268860:=n->`if`(isprime(n) and n mod 100 = 27, n, NULL): seq(A268860(n), n=1..5*10^4); # _Wesley Ivan Hurt_, Apr 02 2016
%t A268860 Select[Table[27 + 100 i, {i, 0, 10^3}], ProvablePrimeQ[#] &]
%o A268860 (Magma) [n: n in PrimesUpTo(15000) | n mod 100 eq 27]; // _Vincenzo Librandi_, Feb 15 2016
%o A268860 (PARI) lista(nn) = {forprime(p=2, nn, if ((p-27) % 100 == 0, print1(p, ", ")););} \\ _Michel Marcus_, Feb 20 2016
%o A268860 (Python)
%o A268860 from sympy import isprime
%o A268860 for n in range(127,10000,100):
%o A268860 if(isprime(n)):print(n)
%o A268860 # _Soumil Mandal_, Apr 02 2016
%Y A268860 Cf. A268858, A268859.
%K A268860 nonn,base
%O A268860 1,1
%A A268860 _Soumadeep Ghosh_, Feb 14 2016