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 A222322 #6 Jul 23 2025 02:29:23 %S A222322 0,0,0,7,0,32,0,168,0,948,0,5279,0,29868,0,170435,0,978324,0,5646204, %T A222322 0,32726780,0,190380464,0,1110922620,0,6499777527,0,38116781580,0, %U A222322 223982494824,0,1318530693372,0,7774269747257,0,45903969026388,0 %N A222322 Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order. %C A222322 Column 2 of A222328 %H A222322 R. H. Hardin, <a href="/A222322/b222322.txt">Table of n, a(n) for n = 1..210</a> %e A222322 All solutions for n=4 %e A222322 ..0..1....0..1....0..0....0..0....0..0....0..0....0..0 %e A222322 ..0..0....1..1....0..0....1..1....0..0....0..0....0..0 %e A222322 ..0..0....1..1....0..0....1..1....1..1....0..0....0..0 %e A222322 ..0..0....1..1....1..1....1..1....1..1....1..0....0..1 %K A222322 nonn %O A222322 1,4 %A A222322 _R. H. Hardin_ Feb 15 2013