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 A242126 #11 Dec 13 2024 10:25:01
%S A242126 2,3,5,7,11,13,17,19,23,1,3,9,13,15,19,25,3,5,11,15,17,23,27,5,13,17,
%T A242126 19,23,25,1,15,19,25,27,9,11,17,23,27,5,11,13,23,25,1,3,15,27,3,5,9,
%U A242126 15,17,27,5,11,17,19,25,1,3,13,27,3,5,9,23,1,11,13,17,23
%N A242126 a(n) = n-th prime modulo 28.
%H A242126 Vincenzo Librandi, <a href="/A242126/b242126.txt">Table of n, a(n) for n = 1..1000</a>
%F A242126 Sum_k={1..n} a(k) ~ 14*n. - _Amiram Eldar_, Dec 13 2024
%t A242126 Mod[Prime[Range[100]], 28]
%o A242126 (Magma) [p mod(28): p in PrimesUpTo(500)];
%o A242126 (Sage) [mod(p, 28) for p in primes(500)] # _Bruno Berselli_, May 05 2014
%Y A242126 Cf. similar sequences listed in A242119.
%K A242126 nonn,easy
%O A242126 1,1
%A A242126 _Vincenzo Librandi_, May 05 2014