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 A163042 #6 Jan 06 2023 23:22:21 %S A163042 1,577,94384,9528128,801218515,62618577481,4741764527414, %T A163042 353883736096148,26226659917104393,1936966961305957565, %U A163042 142805176707285744704,10519121991556481091992,774491701732750702097515,57010108651586254737175513,4195987647889791129869411078 %N A163042 Number of n X 7 binary arrays with all 1s connected and a path of 1s from left column to right column. %H A163042 Andrew Howroyd, <a href="/A163042/b163042.txt">Table of n, a(n) for n = 1..200</a> %Y A163042 Row 7 of A359574. %K A163042 nonn %O A163042 1,2 %A A163042 _R. H. Hardin_, Jul 20 2009 %E A163042 Terms a(9) and beyond from _Andrew Howroyd_, Jan 06 2023