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 A027489 #7 Jan 20 2019 07:53:39 %S A027489 1,7,176,10746,1297704,272866980,91570835040,46034917019280, %T A027489 33038572997888640,32591683412232799680,42861143959833044563200, %U A027489 73273310483627217731644800,159431451667479363623304936960 %N A027489 First column of Triangle A027478, constructed from Stirling numbers of the first kind. %F A027489 a(n) = A027478(n,1) %Y A027489 Cf. A027478 (Cube of normalized Stirling matrix of the first kind). %K A027489 nonn,easy %O A027489 1,2 %A A027489 _Olivier Gérard_