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 A085912 #7 Aug 23 2014 13:46:42 %S A085912 1,2,12,1680,11880,13366080,96909120,424097856000,3100796899200, %T A085912 37276043023296000,273589847231500800,7359037761652306329600, %U A085912 54123776422857453312000,2844359511118991175518208000 %N A085912 Group the natural numbers such that the product of the terms of the n-th group is divisible by n!. (1),(2),(3,4),(5,6,7,8),(9,10,11,12),(13,14,15,16,17,18),(19,20,21,22,23,24),... Sequence contains the product pertaining to groups. %C A085912 Obviously the n-th group has at most n terms. %Y A085912 Cf. A085913, A085914, A085915. %K A085912 nonn %O A085912 1,2 %A A085912 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 10 2003 %E A085912 More terms from _Ray Chandler_, Sep 15 2003