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 A331716 #5 Feb 07 2020 20:49:20 %S A331716 1,0,0,3,19,141,1571,21928 %N A331716 Number of nonequivalent binary matrices with n distinct columns and any number of distinct nonzero rows with 3 ones in every column up to permutation of rows and columns. %Y A331716 Row n=3 of A331509. %K A331716 nonn,more %O A331716 0,4 %A A331716 _Andrew Howroyd_, Feb 01 2020