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 A135119 #22 Apr 23 2022 19:08:35 %S A135119 1,2,5,11,22,30,31,43,44,64,107,191,2149,3174,4952,12126,29884,32645, %T A135119 48442,60959,62750,87408,95326 %N A135119 Integers n such that 10^n+57 is a prime number. %C A135119 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10057". %C A135119 No additional terms <100000. %H A135119 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/">List of near-repdigit-related prime numbers</a>. %H A135119 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>. %e A135119 5 is a member because 10^5+57 = 100000+57 = 100057, which is a prime number. %Y A135119 Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054. %K A135119 more,nonn %O A135119 1,2 %A A135119 Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008 %E A135119 Four PRP terms from _Sean A. Irvine_, Nov 11 2009 %E A135119 Added term 60959. _Robert Price_, Mar 22 2010 %E A135119 Added terms 29884,32645. _Robert Price_, Aug 24 2010 %E A135119 Edited by _Ray Chandler_, Dec 23 2010 %E A135119 a(19)=48442 from _Robert Price_, Dec 31 2010 %E A135119 a(21)=62750 from _Robert Price_, Jan 29 2011 %E A135119 a(22)=87408 from _Robert Price_, Mar 03 2011 %E A135119 a(23)=95326 from _Robert Price_, Mar 24 2011 %E A135119 Deleted superseded comment. - _Harvey P. Dale_, Apr 23 2022