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 A097709 #4 Apr 03 2023 10:36:10 %S A097709 2,0,5,6,23,16,35,54,35,10,11,40,57,30,477,58,215,0,715,264,83,16,105, %T A097709 30,379,238,5,462,851,538,1,70,199,618,85,84,881,454,53,310,223,330, %U A097709 1109,540,2059,398,305,120,185,574,411,340,539,318,209,648,421,2444,73 %N A097709 Least k such that A097708(n)+k is prime. %C A097709 Are there any more zeros in this sequence after a(17)? %H A097709 Prime Curios, <a href="https://t5k.org/curios/page.php?number_id=4437">11111...66787 (59-digits)</a>. %Y A097709 Cf. A097708. %K A097709 nonn %O A097709 0,1 %A A097709 _Jason Earls_, Aug 21 2004