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 A107084 #35 Apr 20 2024 02:01:35 %S A107084 1,3,6,9,10,31,47,70,281,366,519,532,775,1566,1627,2247,2653,4381, %T A107084 4571,7513,10581,13239,15393,72267,105515,215802 %N A107084 Integers k such that 10^k + 33 is prime. %C A107084 The next term, if it exists, is > 39546. - _Robert Price_, Aug 21 2010 %C A107084 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10033". %C A107084 a(26) > 3*10^5. - _Robert Price_, Oct 26 2023 %H A107084 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/prime_difficulty.txt">Search for 10w33</a>. %H A107084 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>. %e A107084 For k = 3 we get 10^3 + 33 = 1000 + 33 = 1033, which is prime, so 3 is a term. %Y A107084 Cf. A049054, A088274, A088275, A095688, A108052, A108050, A108049, A108054. %K A107084 nonn,more %O A107084 1,2 %A A107084 Julien Peter Benney (jpbenney(AT)ftml.net), Jun 08 2005 %E A107084 a(20)-a(23) from _Robert Price_, Aug 21 2010 %E A107084 Edited by _Ray Chandler_, Dec 23 2010 %E A107084 a(24) from _Robert Price_, Jan 29 2011 %E A107084 a(26) from _Robert Price_, Oct 26 2023 %E A107084 a(25) from Kamada data by _Tyler Busby_, Apr 16 2024