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 A300206 #4 Feb 28 2018 14:14:36 %S A300206 32,2048,117494,6912249,406228452,23883950854,1404241937017, %T A300206 82562348427139,4854250928660105,285405606248444064, %U A300206 16780418393854173458,986604455823367492435,58007394683107473100107,3410543930287238106023455 %N A300206 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. %C A300206 Column 6 of A300208. %H A300206 R. H. Hardin, <a href="/A300206/b300206.txt">Table of n, a(n) for n = 1..210</a> %e A300206 Some solutions for n=5 %e A300206 ..0..0..0..1..1..1. .0..0..0..1..0..1. .0..0..0..0..1..1. .0..0..0..1..0..1 %e A300206 ..0..0..1..0..1..0. .0..0..1..0..0..1. .0..0..1..1..0..0. .0..0..1..1..1..0 %e A300206 ..0..0..1..1..1..0. .0..0..1..0..0..1. .0..0..1..0..1..1. .0..0..1..1..1..1 %e A300206 ..0..0..1..0..1..1. .0..0..1..1..1..0. .0..0..1..1..0..0. .0..0..1..0..0..0 %e A300206 ..0..0..1..0..1..0. .0..0..1..0..1..0. .0..0..0..1..1..1. .0..0..0..0..1..0 %Y A300206 Cf. A300208. %K A300206 nonn %O A300206 1,1 %A A300206 _R. H. Hardin_, Feb 28 2018