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 A246152 #5 May 02 2022 09:48:02 %S A246152 1,4,40,367,4745,68379,1072086,16821330,254092124,3608247685, %T A246152 47733362102,587016912645,6721970343643,71907225898320, %U A246152 721352899257954,6812732993272120,60802368520799533,514586622373193034,4143078743506122930,31825800605751740274 %N A246152 Number of inequivalent n X 7 binary matrices, where equivalence means permutations of rows or columns or the symbol set. %H A246152 <a href="/index/Mat#inequiv">Index to number of inequivalent matrices modulo permutation of rows and columns</a> %Y A246152 Column k=7 of A242093. %K A246152 nonn %O A246152 0,2 %A A246152 _Alois P. Heinz_, Aug 17 2014