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 A193946 #22 Mar 31 2012 10:30:50 %S A193946 2,6,8,24,48,54,152,1517,1767,5828,7565,17574,38624,39589,44250,52323, %T A193946 97524,190991,960752,1448540,3294851,7930790,84441507,149035260, %U A193946 657840572,780432749,5616638884,7057606658,9915512544,21792123789,94153981165 %N A193946 Integers n such that for all i > n the largest prime factor of i(i+1)(i+2)(i+3)(i+4) exceeds the largest prime factor of n(n+1)(n+2)(n+3)(n+4). %C A193946 Heuristics show that these terms are valid, but a strict proof is yet to be done. %H A193946 Andrey V. Kulsha, <a href="/A193946/b193946.txt">Table of n, a(n) for n = 1..39</a> %Y A193946 Cf. A193945, A193947. %K A193946 nonn %O A193946 1,1 %A A193946 _Andrey V. Kulsha_, Aug 10 2011