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A231130 Number of (n+1)X(7+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

%I A231130 #6 Jul 23 2025 06:16:19
%S A231130 328,16368,924900,50257244,2766762720,151928497692,8349491299560,
%T A231130 458819265958556,25213940794848972,1385606097689928700,
%U A231130 76144709459504461524,4184463747005748346676,229953456825043397843448
%N A231130 Number of (n+1)X(7+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
%C A231130 Column 7 of A231131
%H A231130 R. H. Hardin, <a href="/A231130/b231130.txt">Table of n, a(n) for n = 1..210</a>
%e A231130 Some solutions for n=2
%e A231130 ..0..x..1..x..0..x..1..x....0..x..1..x..0..x..2..x....0..x..1..x..2..x..0..x
%e A231130 ..x..1..x..0..x..1..x..0....x..2..x..1..x..2..x..0....x..2..x..1..x..0..x..2
%e A231130 ..2..x..0..x..1..x..2..x....1..x..1..x..2..x..1..x....1..x..0..x..0..x..1..x
%K A231130 nonn
%O A231130 1,1
%A A231130 _R. H. Hardin_, Nov 04 2013