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 A062217 #19 Aug 11 2024 14:41:34 %S A062217 5,9,11,3015,3407,6959,9599,11399,16593,25883 %N A062217 Numbers k such that the smoothly undulating palindromic number (32*10^k - 23)/99 is a prime. %C A062217 Prime versus probable prime status and proofs are given in the author's table. %C A062217 No further terms < 100000. - _Ray Chandler_, Aug 17 2011 %H A062217 P. De Geest, <a href="https://www.worldofnumbers.com/undulat.htm#supp323">SUPP Reference Table - 323</a> %H A062217 Alexandre Zalesski, <a href="https://arxiv.org/abs/2401.16075">Unisingular subgroups of symplectic group Sp_2n(2) for 2n < 250</a>, arXiv:2401.16075 [math.GR], 2024. See pp. 15, 52. %H A062217 <a href="/index/Pri#pri_supp">Index entries for sequences related to smoothly undulating palindromic primes</a> %e A062217 k=11 -> (32*10^11 - 23)/99 = 32323232323. %Y A062217 Cf. A062209-A062232, A059758, A032758. %K A062217 nonn,base %O A062217 1,1 %A A062217 _Patrick De Geest_ and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001 %E A062217 Edited by _Ray Chandler_, Aug 17 2011