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 A102540 #8 Feb 16 2025 08:32:56
%S A102540 43,61,73,79,97,103,151,163,173,193,223,229,241,271,277,283,313,331,
%T A102540 349,367,373,383,397,421,433,439,457,463,523,547,593,601,607,613,619,
%U A102540 643,661,673,691,709,727,733,739,757,773,823,853,859,883,907,929,967,997
%N A102540 Primes that are not Chen primes (see A109611).
%H A102540 Donovan Johnson, <a href="/A102540/b102540.txt">Table of n, a(n) for n = 1..1000</a>
%H A102540 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ChenPrime.html">Chen Prime</a>
%o A102540 (PARI) n=0; for(j=1, 1994, if(bigomega(prime(j)+2)>2, n++; write("b102540.txt", n " " prime(j)))) /* _Donovan Johnson_, Apr 29 2013 */
%K A102540 nonn
%O A102540 1,1
%A A102540 Wilfredo Lopez (chakotay147138274(AT)yahoo.com), Aug 14 2005
%E A102540 More terms from Robert Happelberg (roberthappelberg(AT)yahoo.com), Aug 16 2005