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 A222327 #6 Jul 23 2025 02:29:57 %S A222327 5,0,212,3307,15100,255304,2284728,37484794,318665044,5848569858, %T A222327 53774145449,993959061317,9141439223417,171115897853704, %U A222327 1590637978363140,29928907006839532,278649808319750564,5257935209592087820 %N A222327 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order. %C A222327 Column 7 of A222328 %H A222327 R. H. Hardin, <a href="/A222327/b222327.txt">Table of n, a(n) for n = 1..34</a> %e A222327 Some solutions for n=4 %e A222327 ..0..0..0..0..0..1..1....0..0..0..1..0..1..1....0..0..0..0..1..0..1 %e A222327 ..0..0..0..0..0..1..1....0..0..0..1..0..1..1....0..0..0..0..0..0..1 %e A222327 ..0..0..0..1..0..1..1....0..0..0..1..1..1..1....0..0..0..0..0..1..0 %e A222327 ..0..0..0..0..1..1..1....0..0..0..1..1..1..1....0..0..0..0..0..0..0 %K A222327 nonn %O A222327 1,1 %A A222327 _R. H. Hardin_ Feb 15 2013