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 A085915 #7 Aug 23 2014 13:47:40 %S A085915 1,1,2,70,99,18564,19228,10518300,8544965,10272278170,6854002506, %T A085915 15363284301456,8691760981890,32626924340528840,16017346662344280, %U A085915 93343021201262177400,40465728802060990857,346051021610256116115150 %N A085915 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 of the terms of the n-th group divided by n!. a(n) = A085912(n)/(n!). %Y A085915 Cf. A085912, A085913, A085914. %K A085915 nonn %O A085915 1,3 %A A085915 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 10 2003 %E A085915 More terms from _Ray Chandler_, Sep 15 2003