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 A075387 #6 Nov 30 2015 16:02:58 %S A075387 1,8,162,30720,562500,1693052928,5534208960,414571718246400, %T A075387 87954833872105200,121080960000000000000,34545810976783666560, %U A075387 1757453597218363858432819200,20403194639791728130329600 %N A075387 Product of terms of n-th group in A075383. %o A075387 (Haskell) %o A075387 a075387 = product . a075383_row -- _Reinhard Zumkeller_, Nov 29 2015 %Y A075387 Cf. A075383, A075384, A075385, A075386, A075391. %K A075387 nonn %O A075387 1,2 %A A075387 _Amarnath Murthy_, Sep 22 2002 %E A075387 More terms from _David Wasserman_, Jan 17 2005