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 A126033 #12 Dec 23 2024 22:48:50 %S A126033 2,7,31,151,751,3739,18691,93427,467123,2335607,11678021,58390103, %T A126033 291950479,1459752391,7298761949,36493809683,182469048409, %U A126033 912345242041,4561726210189,22808631050929,114043155254641,570215776273147,2851078881365711,14255394406828543,71276972034142687 %N A126033 a(n) is the largest prime < 5*a(n-1) for n > 1, with a(1) = 2. %H A126033 Artur Jasinski, <a href="/A126033/b126033.txt">Table of n, a(n) for n = 1..40</a> %t A126033 Nest[Append[#,NextPrime[5Last[#],-1]]&,{2},24] (* _James C. McMahon_, Dec 23 2024 *) %Y A126033 Cf. A126031. %K A126033 nonn %O A126033 1,1 %A A126033 _Artur Jasinski_, Dec 16 2006