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 A027488 #13 Nov 06 2019 17:49:12 %S A027488 1,30,1035,45675,2582209,183962268,16206744140,1734708878100, %T A027488 222083697846516,33544055541553128,5906505211210055088, %U A027488 1199823052824417425040,278598452852079082857744,73346715446248518553100160,21736011315987768499695624960 %N A027488 Third column of triangle A027477, constructed from the Stirling numbers of the first kind. %F A027488 a(n) = A027477(n,3). %Y A027488 Cf. A027477 (Square of normalized Stirling matrix of the first kind). %K A027488 nonn,easy %O A027488 3,2 %A A027488 _Olivier Gérard_ %E A027488 More terms from _Sean A. Irvine_, Nov 06 2019