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A217452 Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X 3 array. 1

%I #12 Jun 22 2022 12:10:47

%S 9,69,613,4361,35067,271863,2122623,16577231,129398981,1010161409,

%T 7886865189,61570433261,480690831603,3752745812035,29297882184787,

%U 228729463311571,1785699822954649,13941021624348057,108838075075791297

%N Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X 3 array.

%C Column 3 of A217457.

%H R. H. Hardin, <a href="/A217452/b217452.txt">Table of n, a(n) for n = 1..43</a>

%e Some solutions for n=3:

%e ..0..0..1....2..1..2....0..2..2....0..1..1....2..1..1....2..0..0....2..0..0

%e ..0..0..0....1..1..1....0..0..2....0..0..2....1..1..1....0..0..0....0..0..0

%e ..1..0..0....1..1..2....0..0..2....0..0..2....2..1..2....2..0..1....2..0..0

%Y Cf. A217457.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 03 2012

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)