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 A144727 #9 Jun 20 2023 15:00:39 %S A144727 11,31,151,1051,10501,126001,1764001,26460001,502740001,10557540001, %T A144727 274496040001,7960385160001,238811554800001,9313650637200001, %U A144727 381859676125200001,21384141863011200001,1325816795506694400001 %N A144727 Erroneous version of A046972. %K A144727 dead %O A144727 1,1