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 A108330 #29 Jan 25 2022 06:19:10 %S A108330 2,3,5,7,8,13,14,761,794,2216,3710,3860,3937,5091,7754,29091 %N A108330 Integers k such that 10^k - 29 is a prime number. %C A108330 The next term, if one exists, is > 100000. - _Robert Price_, Apr 25 2011 %C A108330 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "99971". %H A108330 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/">List of near-repdigit-related prime numbers</a>. %H A108330 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>. %e A108330 k = 8 is a term because 10^8 - 29 = 100000000 - 29 = 99999971, which is prime. %Y A108330 Cf. A089675, A095714, A092767. %K A108330 nonn,more %O A108330 1,1 %A A108330 Julien Peter Benney (jpbenney(AT)ftml.net), Jun 30 2005 %E A108330 a(14)-a(15) from _Sean A. Irvine_, Mar 04 2010 %E A108330 a(16) from _Robert Price_, Dec 15 2010 %E A108330 Edited by _Ray Chandler_, Dec 23 2010