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 A222326 #6 Jul 23 2025 02:29:50 %S A222326 4,32,84,835,3770,38238,255304,2542901,20957580,204487984,1778907664, %T A222326 17205177010,154048740446,1479151681276,13453816185916, %U A222326 128432675352749,1180481843839956,11227390708740364,103971035671038556 %N A222326 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order. %C A222326 Column 6 of A222328 %H A222326 R. H. Hardin, <a href="/A222326/b222326.txt">Table of n, a(n) for n = 1..57</a> %e A222326 Some solutions for n=4 %e A222326 ..0..1..1..1..1..0....0..0..0..0..0..1....0..0..0..0..0..0....0..1..1..1..0..1 %e A222326 ..0..1..1..1..1..1....1..0..0..0..0..0....0..0..0..0..0..0....0..1..1..1..1..1 %e A222326 ..0..1..1..1..1..1....0..0..0..0..0..0....0..0..0..0..0..0....1..1..1..1..1..1 %e A222326 ..0..1..1..1..1..1....1..0..0..0..0..0....1..1..1..1..1..1....1..1..1..1..1..1 %K A222326 nonn %O A222326 1,1 %A A222326 _R. H. Hardin_ Feb 15 2013