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 A242125 #16 Dec 12 2024 09:29:56
%S A242125 2,3,5,7,11,13,17,19,23,2,4,10,14,16,20,26,5,7,13,17,19,25,2,8,16,20,
%T A242125 22,26,1,5,19,23,2,4,14,16,22,1,5,11,17,19,2,4,8,10,22,7,11,13,17,23,
%U A242125 25,8,14,20,26,1,7,11,13,23,10,14,16,20,7,13,23,25,2,8
%N A242125 a(n) = n-th prime modulo 27.
%H A242125 Vincenzo Librandi, <a href="/A242125/b242125.txt">Table of n, a(n) for n = 1..1000</a>
%F A242125 Sum_k={1..n} a(k) ~ (27/2)*n. - _Amiram Eldar_, Dec 12 2024
%t A242125 Mod[Prime[Range[100]], 27]
%o A242125 (Magma) [p mod(27): p in PrimesUpTo(500)];
%o A242125 (Sage) [mod(p, 27) for p in primes(500)] # _Bruno Berselli_, May 05 2014
%Y A242125 Cf. similar sequences listed in A242119.
%K A242125 nonn,easy
%O A242125 1,1
%A A242125 _Vincenzo Librandi_, May 05 2014