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A231401 Number of (5+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

%I A231401 #6 Jul 23 2025 06:27:59
%S A231401 23,31,740,4085,41237,401240,3407422,34218952,319475231,3008421437,
%T A231401 29613840551,280330691913,2731735447620,26562135008952,
%U A231401 256786549560916,2514185479608458,24477768294561000,239048054042207254
%N A231401 Number of (5+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
%C A231401 Row 5 of A231396
%H A231401 R. H. Hardin, <a href="/A231401/b231401.txt">Table of n, a(n) for n = 1..210</a>
%e A231401 Some solutions for n=4
%e A231401 ..0..1..0..0..0....0..1..0..0..0....0..0..0..0..0....0..0..0..0..1
%e A231401 ..1..0..1..0..0....1..0..1..1..1....0..0..0..1..1....0..0..0..1..1
%e A231401 ..0..1..0..1..1....0..1..0..1..1....2..2..1..1..1....0..0..1..1..1
%e A231401 ..0..0..1..1..1....1..0..0..0..0....2..2..2..1..1....1..1..0..0..0
%e A231401 ..0..0..0..1..1....1..1..1..0..0....1..1..2..2..2....1..1..0..0..0
%e A231401 ..0..0..0..0..0....1..1..1..1..1....1..1..1..2..2....1..1..1..0..0
%K A231401 nonn
%O A231401 1,1
%A A231401 _R. H. Hardin_, Nov 08 2013