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 A062218 #15 Aug 11 2024 14:41:34 %S A062218 3,5,23,2177,3147,4157,22713,28385 %N A062218 Numbers k such that the smoothly undulating palindromic number (35*10^k - 53)/99 is a prime. %C A062218 Prime versus probable prime status and proofs are given in the author's table. %C A062218 No further terms < 100000. - _Ray Chandler_, Aug 17 2011 %H A062218 P. De Geest, <a href="https://www.worldofnumbers.com/undulat.htm#supp353">SUPP Reference Table - 353</a> %H A062218 <a href="/index/Pri#pri_supp">Index entries for sequences related to smoothly undulating palindromic primes</a> %e A062218 k=23 -> (35*10^23 - 53)/99 = 35353535353535353535353. %Y A062218 Cf. A062209-A062232, A059758, A032758. %K A062218 nonn,base %O A062218 1,1 %A A062218 _Patrick De Geest_ and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001 %E A062218 Edited by _Ray Chandler_, Aug 17 2011