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 A375198 #8 Aug 05 2024 08:45:07
%S A375198 3,4,6,9,13,15,20,21,24,29,30,42,54,56,59,72,77,83,96,104,105,109,138,
%T A375198 161,166,174,186,203,208,221,232,237,266,270,288,295,336,338,347,387,
%U A375198 389,395,400,401,449,468,469,472,479,506,520,543,584,617,633,643,668
%N A375198 Numbers k such that A025487(k)-1 and A025487(k)+1 are twin primes.
%H A375198 Amiram Eldar, <a href="/A375198/b375198.txt">Table of n, a(n) for n = 1..10000</a>
%F A375198 A025487(a(n)) = A375197(n).
%t A375198 Position[Cases[Import["https://oeis.org/A025487/b025487.txt", "Table"], {_, _}][[;; , 2]], _?(PrimeQ[# - 1] && PrimeQ[# + 1] &)] // Flatten
%Y A375198 Cf. A001097, A001359, A006512, A014574, A025487, A375197.
%Y A375198 Similar sequences: A321995, A353302.
%K A375198 nonn
%O A375198 1,1
%A A375198 _Amiram Eldar_, Aug 04 2024