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A217453 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX4 array.

%I A217453 #8 Jul 22 2025 23:39:56
%S A217453 17,253,4361,60821,939819,14031423,211328743,3180307843,47838403809,
%T A217453 719805267377,10830069725301,162944007417041,2451637787845531,
%U A217453 36886610473790015,554987642859441971,8350208249838881107
%N A217453 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX4 array.
%C A217453 Column 4 of A217457
%H A217453 R. H. Hardin, <a href="/A217453/b217453.txt">Table of n, a(n) for n = 1..23</a>
%e A217453 Some solutions for n=3
%e A217453 ..0..0..0..2....1..0..2..1....1..1..2..2....2..0..2..1....1..1..1..1
%e A217453 ..0..0..1..2....0..0..0..0....1..2..0..2....0..0..0..0....0..1..0..0
%e A217453 ..0..0..1..1....0..0..0..0....2..0..0..0....1..0..0..0....0..0..0..0
%K A217453 nonn
%O A217453 1,1
%A A217453 _R. H. Hardin_ Oct 03 2012