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 A027460 #11 Nov 05 2019 00:58:55 %S A027460 1,19,115,3799,4669,268921,1227199,12335311,13560283,1781891563, %T A027460 1916566873,345677548297,366562289317,386631866845,1623817435135, %U A027460 490825547301775,511634386192615,191966753701218895,199005637912597915,205832222367859915,212460475248691315 %N A027460 Second column of A027447. %F A027460 Numerators of sequence a(2, n) in (a(i, j))^3 where a(i, j) = 1/i if j <= i, 0 if j > i. %K A027460 nonn %O A027460 2,2 %A A027460 _Olivier Gérard_ %E A027460 More terms from _Sean A. Irvine_, Nov 04 2019