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 A126039 #10 May 31 2025 13:36:03 %S A126039 2,19,199,2179,23957,263521,2898683,31885507,350740567,3858146203, %T A126039 42439608221,466835690359,5135192593939,56487118533317, %U A126039 621358303866457,6834941342530991,75184354767840859,827027902446249409,9097306926908743457,100070376195996178013,1100774138155957958123 %N A126039 a(n) is the largest prime < 11*a(n-1) for n > 1, with a(1) = 2. %H A126039 Artur Jasinski, <a href="/A126039/b126039.txt">Table of n, a(n) for n = 1..30</a> %t A126039 NestList[NextPrime[11#,-1]&,2,20] (* _Harvey P. Dale_, May 31 2025 *) %Y A126039 Cf. A126031. %K A126039 nonn %O A126039 1,1 %A A126039 _Artur Jasinski_, Dec 16 2006