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 A108543 #8 Nov 28 2019 06:13:43 %S A108543 2,3,5,7,11,17,19,23,29,31,37,41,47,59,67,79,97,101,103,107,109,127, %T A108543 131,149,157,163,167,173,181,193,211,227,241,263,271,277,283,293,311, %U A108543 313,353,367,379,383,389,397,409,419,433,439,449,457,487,503,509,563,571 %N A108543 Primes that are factors of golden semiprimes (A108540). %H A108543 Amiram Eldar, <a href="/A108543/b108543.txt">Table of n, a(n) for n = 1..10000</a> %Y A108543 Union of A108541 and A108542. %Y A108543 Complement of A108545. %Y A108543 Cf. A108539, A108540, A108544. %K A108543 nonn %O A108543 1,1 %A A108543 _Reinhard Zumkeller_, Jun 09 2005 %E A108543 Corrected by _T. D. Noe_, Oct 25 2006