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 A163040 #6 Jan 06 2023 23:22:30 %S A163040 1,99,3692,94280,2075271,42972329,866126030,17234589848,340759985173, %T A163040 6715679348165,132133640829902,2597584688864178,51043234543210529, %U A163040 1002791241847545847,19698523732748736840,386929326073777902750,7600054817584231361621,149277792786859197467919 %N A163040 Number of n X 5 binary arrays with all 1s connected and a path of 1s from left column to right column. %H A163040 Andrew Howroyd, <a href="/A163040/b163040.txt">Table of n, a(n) for n = 1..200</a> %Y A163040 Row 5 of A359574. %K A163040 nonn %O A163040 1,2 %A A163040 _R. H. Hardin_, Jul 20 2009 %E A163040 Terms a(14) and beyond from _Andrew Howroyd_, Jan 06 2023