cp's OEIS Frontend

A222514 Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

%I A222514 #6 Jul 23 2025 02:42:48
%S A222514 0,44,496,2862,23678,195968,1802656,17117005,168709746,1694684254,
%T A222514 17289573440,178062468561,1845566511698,19219604394050,
%U A222514 200763478955510,2102763177782278,22063214171071906,231903259943200754
%N A222514 Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
%C A222514 Row 6 of A222509
%H A222514 R. H. Hardin, <a href="/A222514/b222514.txt">Table of n, a(n) for n = 1..26</a>
%e A222514 Some solutions for n=3
%e A222514 ..0..1..0....0..1..1....0..0..0....0..0..1....0..0..0....0..0..0....0..0..1
%e A222514 ..0..0..0....1..1..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e A222514 ..1..0..0....0..0..1....0..0..0....0..0..0....1..0..0....0..0..0....0..0..1
%e A222514 ..0..0..0....0..0..0....0..0..1....1..0..0....0..0..1....0..0..0....0..0..0
%e A222514 ..0..0..0....0..0..0....0..0..1....1..0..0....1..0..0....1..1..0....1..0..0
%e A222514 ..0..0..0....0..0..0....1..1..1....0..0..0....1..0..0....1..0..1....0..0..0
%K A222514 nonn
%O A222514 1,2
%A A222514 _R. H. Hardin_ Feb 23 2013