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A197408 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,1,1 for x=0,1,2,3,4.

%I A197408 #7 Jun 02 2025 04:54:20
%S A197408 25,2107,34717,1634731,60334353,2065093081,77683473682,2861267797023,
%T A197408 104224692369107,3821001855576417,140295906943370100,
%U A197408 5143358134125047217,188539285472381998575,6914680866283564114758,253564501233044701809946
%N A197408 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,1,1 for x=0,1,2,3,4.
%C A197408 Every 0 is next to 0 3's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1's
%C A197408 Column 7 of A197409
%H A197408 R. H. Hardin, <a href="/A197408/b197408.txt">Table of n, a(n) for n = 1..51</a>
%e A197408 Some solutions containing all values 0 to 4 for n=4
%e A197408 ..0..1..1..0..0..0..0....0..0..1..1..3..1..0....0..0..2..1..1..2..0
%e A197408 ..0..1..4..1..1..1..1....2..1..1..0..1..2..0....1..1..1..0..0..1..2
%e A197408 ..1..1..1..2..2..3..1....1..1..4..1..1..3..1....3..1..4..1..1..1..1
%e A197408 ..1..0..0..0..1..1..0....0..0..1..2..0..1..2....1..0..1..3..1..0..0
%K A197408 nonn
%O A197408 1,1
%A A197408 _R. H. Hardin_ Oct 14 2011