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 A003033 M2617 #29 Jan 23 2015 02:37:39 %S A003033 3,7,9,63,63,168,322,322,1518,1518,1680,10878,17575,17575,17575,17575, %T A003033 17575,17575,70224,70224,97524,97524,97524,97524,224846,224846,612360, %U A003033 612360,15473807,15473807,15473807,15473807,15473807,15473807,15473807,61011223 %N A003033 Smallest integer m such that the product of every 4 consecutive integers > m has a prime factor > prime(n). %D A003033 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A003033 E. F. Ecklund and R. B. Eggleton, <a href="http://www.jstor.org/stable/2317422">Prime factors of consecutive integers</a>, Amer. Math. Monthly, 79 (1972), 1082-1089. %e A003033 a(3) = 3 since none of (3, 4, 5, 6) are divisible by a prime greater than prime(3) = 5 but any larger sequence of four consecutive integers is divisible by 7 or a larger prime. [_Charles R Greathouse IV_, Aug 02 2011] %K A003033 nonn %O A003033 3,1 %A A003033 _N. J. A. Sloane_, _Robert G. Wilson v_ %E A003033 Corrected and extended by _Andrey V. Kulsha_, Aug 01 2011