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 A135107 #25 Sep 08 2022 08:45:32 %S A135107 1,2,3,9,10,14,19,67,94,201,241,589,934,1151,1179,4957,6329,13621, %T A135107 26425 %N A135107 Integers n such that 10^n+97 is prime. %C A135107 The next term, if one exists, is >100000. - _Robert Price_, Apr 25 2011 %C A135107 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10097". %H A135107 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/">List of near-repdigit-related prime numbers</a>. %H A135107 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>. %e A135107 n = 3 is a member because 10^3+97 = 1000+97 = 1097, which is prime. %t A135107 Select[Range[2000], PrimeQ[10^# + 97] &] (* _Vincenzo Librandi_, Nov 02 2014 *) %o A135107 (Magma) [n: n in [1..500]| IsPrime(10^n+97)]; // _Vincenzo Librandi_, Nov 02 2014 %Y A135107 Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054. %K A135107 more,nonn %O A135107 1,2 %A A135107 Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008 %E A135107 a(14)-a(19) from _Robert Price_, Nov 06 2010 %E A135107 Edited by _Ray Chandler_, Dec 23 2010