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A217543 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X 4 array. 1

%I #8 Nov 19 2014 04:09:36

%S 17,17,289,1401,10213,64473,431241,2824177,18626981,122511585,

%T 806649933,5309370017,34951088945,230067107597,1514453687653,

%U 9969070507989,65622772473105,431970507432905,2843503407066145,18717737327894065

%N Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X 4 array.

%C Column 4 of A217547.

%H R. H. Hardin, <a href="/A217543/b217543.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=3:

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

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

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

%Y Cf. A217547.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 06 2012

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Last modified April 24 19:51 EDT 2024. Contains 371963 sequences. (Running on oeis4.)