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 A093909 #6 Dec 05 2013 19:56:49 %S A093909 2,2,6,533,1272,1184964,2728058,260460615543,320989537045, %T A093909 1535738687883866008870,1660017145844820190523887765476, %U A093909 1840693015476119977,8050776919178289031383553134261340 %N A093909 Let f(k, n) be the product of n consecutive numbers beginning with k. Then a(n) = f(A093908(n))/f(1+n*(n-1)/2). %e A093909 a(4) = 533= (39*40*41*42)/(7*8*9*10). %Y A093909 Cf. A093908. %K A093909 nonn %O A093909 1,1 %A A093909 _Amarnath Murthy_, Apr 24 2004 %E A093909 More terms from _David Wasserman_, Apr 25 2007