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 A032771 #6 Aug 06 2016 09:51:24 %S A032771 0,34,186,610,1550,3360,6522,11671,19611,31335,48048,71182,102422, %T A032771 143721,197323,265782,351982,459156,590909,751233,944533,1175642, %U A032771 1449844,1772894,2151033,2591018,3100130,3686204,4357644,5123443 %N A032771 [ n(n+1)(n+2)...(n+5) / (n+(n+1)+(n+2)+...+(n+5)) ]. %Y A032771 Cf. A032772, A032773. %K A032771 nonn %O A032771 0,2 %A A032771 _Patrick De Geest_, May 15 1998