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 A108364 #29 Jan 25 2022 08:36:44 %S A108364 2,3,4,10,18,46,48,121,154,158,170,196,211,250,294,316,320,663,975, %T A108364 1165,1351,4126,4270,5724,7156,15025,19132,25035,36174,77418 %N A108364 Integers k such that 10^k - 33 is prime. %C A108364 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "99967". %C A108364 The next term, if one exists, is > 100000. - _Robert Price_, Apr 25 2011 %H A108364 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/">List of near-repdigit-related prime numbers</a>. %H A108364 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>. %e A108364 k=2 is a term because 10^2 - 33 = 67 (prime). %e A108364 k=48 is a term because 10^48 - 33 = 999999999999999999999999999999999999999999999967 (prime). %t A108364 For[n = 1, n < 1000, n++, If[PrimeQ[10^n - 33], Print[n]]] (Steinerberger) %Y A108364 Cf. A108330, A108328. %K A108364 nonn,more %O A108364 1,1 %A A108364 _Parthasarathy Nambi_, Jul 01 2005 %E A108364 a(8)-a(21) from _Stefan Steinerberger_, Jan 28 2006 %E A108364 a(22)-a(29) extracted from Makoto Kamada website by _Robert Price_, Dec 06 2010 %E A108364 Edited by _Ray Chandler_, Dec 23 2010 %E A108364 a(30) from _Robert Price_, Apr 25 2011