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 A115727 #4 Feb 16 2025 08:33:00 %S A115727 0,1,2,2,3,2,3,4,3,4,3,4,5,4,4,3,4,4,5,6,5,4,4,6,4,4,6,4,5,6,7,6,5,5, %T A115727 6,4,4,6,6,4,5,6,5,6,7,8,7,6,6,6,5,5,8,6,6,4,5,6,6,6,5,6,8,6,6,7,8,9, %U A115727 8,7,7,6,6,6,8,6,6,5,5,8,6,6,6,5,6,9,6,6,8,6,6,7,8,6,7,8,9 %N A115727 Maximum rectangle of partitions in Mathematica order. %H A115727 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FerrersDiagram.html">Ferrers Diagram.</a> %e A115727 Partition 34 in Mathematica order is [4,3]; its maximum rectangle is 2x3 = 6, so a(34)=6. %Y A115727 Cf. A115726, A115724, A080577. %K A115727 nonn %O A115727 0,3 %A A115727 _Franklin T. Adams-Watters_, Mar 11 2006