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 A026928 #7 Aug 23 2019 04:51:42 %S A026928 0,0,0,0,1,1,2,2,3,4,6,7,10,11,14,16,20,23,28,31,37,41,48,53,61,67,76, %T A026928 83,94,102,114,123,136,147,162,174,191,204,222,237,257,274,296,314, %U A026928 338,358,384,406,434,458,488,514 %N A026928 Number of partitions of n into an even number of parts, the greatest being 4; also, a(n+7) = number of partitions of n+3 into an odd number of parts, each <=4. %Y A026928 4th column of A026921. %K A026928 nonn %O A026928 1,7 %A A026928 _Clark Kimberling_