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 A255213 #4 Feb 17 2015 11:02:27 %S A255213 1,1,2,4,5,9,15,21,30,52,70,100,142,196,264,378,477,640,841,1082,1389, %T A255213 1783,2203,2786,3460,4290,5209,6410,7810,9397,11190,13501,16122,18936, %U A255213 22374,26491,30871,36211,41932,48389,56703,65192,73967,85947,98687,110647 %N A255213 Number of partitions of n^2 into at most 9 square parts. %H A255213 Alois P. Heinz, <a href="/A255213/b255213.txt">Table of n, a(n) for n = 0..500</a> %Y A255213 Column k=9 of A255212. %K A255213 nonn %O A255213 0,3 %A A255213 _Alois P. Heinz_, Feb 17 2015