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 A331719 #5 Feb 07 2020 20:49:40 %S A331719 1,7,36,191,837,2688,6184,10199,12054,10199,6184,2688,837,191,36,7,1 %N A331719 Number of nonequivalent 5-column binary matrices with n ones in every column and any number of distinct nonzero rows up to permutation of rows and columns. %Y A331719 Column k=5 of A331510. %Y A331719 Cf. A331127. %K A331719 nonn,fini,full %O A331719 0,2 %A A331719 _Andrew Howroyd_, Feb 02 2020