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 A062214 #21 Aug 11 2024 14:41:34 %S A062214 3,5,77,163,1479,3657,4573,8315,30259,31063,31855,36915,66657 %N A062214 Numbers k such that the smoothly undulating palindromic number(18*10^k - 81)/99 is a prime. %C A062214 Prime versus probable prime status and proofs are given in the author's table. %C A062214 No further terms < 100000. - _Ray Chandler_, Aug 17 2011 %H A062214 P. De Geest, <a href="https://www.worldofnumbers.com/undulat.htm#supp181">SUPP Reference Table - 181</a> %H A062214 <a href="/index/Pri#pri_supp">Index entries for sequences related to smoothly undulating palindromic primes</a> %e A062214 k=5 -> (18*10^5 - 81)/99 = 18181. %Y A062214 Cf. A062209-A062232, A059758, A032758. %K A062214 nonn,base %O A062214 1,1 %A A062214 _Patrick De Geest_ and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001 %E A062214 a(13)=66657 from _Ray Chandler_, Jan 31 2011 %E A062214 Edited by _Ray Chandler_, Aug 17 2011