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 A209838 #7 Mar 31 2012 10:30:50 %S A209838 2,4,8,14,16,22,26,28,32,38,44,46,52,56,58,64,68,74,82,86,88,92,94,98, %T A209838 112,116,122,124,134,136,142,148,152,158,164,166,176,178,182,184,196, %U A209838 208,1330,1331,48503,48507,87162,211751,279366,1845847,3177028,4309596,4363994,9034134,61575286 %N A209838 Integers n such that for all i > n the largest prime factor of product(i+k, {k,0,14}) exceeds the largest prime factor of product(n+k, {k,0,14}). %C A209838 Heuristics show that these terms are valid, but a strict proof is yet to be done. %H A209838 Andrey V. Kulsha, <a href="/A209838/b209838.txt">Table of n, a(n) for n = 1..70</a> %Y A209838 Cf. A209837, A209839. %K A209838 nonn %O A209838 1,1 %A A209838 _Andrey V. Kulsha_, Mar 14 2012