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A231529 Number of 7Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

%I A231529 #6 Jul 23 2025 06:34:19
%S A231529 128,601,91993,4944075,219937967,11683058939,697702378939,
%T A231529 39639857805660,2168242419232809,119523107172621693,
%U A231529 6675143723570669657,372528702513807442140,20708551912511964424721,1150766427307969724593210
%N A231529 Number of 7Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.
%C A231529 Row 7 of A231523
%H A231529 R. H. Hardin, <a href="/A231529/b231529.txt">Table of n, a(n) for n = 1..210</a>
%e A231529 Some solutions for n=3
%e A231529 ..0..0..0....0..0..0....1..0..1....0..1..0....0..1..1....0..0..0....1..0..1
%e A231529 ..1..1..1....1..1..0....0..0..0....0..0..0....0..0..1....0..1..0....0..0..0
%e A231529 ..0..0..1....0..0..0....1..0..0....0..0..0....0..0..0....0..0..0....1..0..0
%e A231529 ..0..0..0....0..0..1....1..1..1....0..0..0....0..1..1....0..0..1....1..0..0
%e A231529 ..1..1..0....1..1..0....0..0..0....1..0..0....1..0..1....1..0..1....1..0..0
%e A231529 ..0..0..0....0..0..0....0..0..1....0..0..1....0..1..0....0..1..0....1..0..0
%e A231529 ..0..0..1....1..0..0....0..0..1....1..0..0....1..0..1....1..0..0....1..1..0
%K A231529 nonn
%O A231529 1,1
%A A231529 _R. H. Hardin_, Nov 10 2013