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 A303856 #8 Feb 16 2025 08:33:54 %S A303856 11,30,66,119,202,313,479,690,989,1369,1885,2528,3387,4443,5823,7517, %T A303856 9682,12324,15671,19721,24784,30905,38470,47568,58740,72109,88397, %U A303856 107844,131358,159338,193005,232904,280655,337116,404346,483588,577584,688038,818535 %N A303856 Number of pairs (lambda,mu) of partitions lambda of n and mu of six with mu <= lambda (by diagram containment). %H A303856 Alois P. Heinz, <a href="/A303856/b303856.txt">Table of n, a(n) for n = 6..1000</a> %H A303856 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FerrersDiagram.html">Ferrers Diagram</a> %H A303856 Wikipedia, <a href="https://en.wikipedia.org/wiki/Ferrers_diagram">Ferrers diagram</a> %Y A303856 Column k=6 of A259478. %K A303856 nonn %O A303856 6,1 %A A303856 _Alois P. Heinz_, May 01 2018