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A229102 Number of nX3 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..3 array. 1

%I #8 Sep 13 2013 20:16:48

%S 64,4096,257984,14747432,818683176,44773333904,2433605818736,

%T 131915396019176,7141796191458336,386438860570431088,

%U 20904827192341195056,1130743207081341112720,61158890053428524474288

%N Number of nX3 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..3 array.

%C Column 3 of A229105.

%H R. H. Hardin, <a href="/A229102/b229102.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=4

%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

%e ..2..2..0....0..3..3....0..1..2....0..0..3....0..1..0....0..3..3....0..0..1

%e ..3..1..3....3..3..2....3..2..1....1..1..3....3..3..3....1..0..2....1..1..2

%e ..0..3..3....1..0..0....0..0..2....2..1..1....0..1..2....3..1..2....3..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 13 2013

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)