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%I #11 May 19 2014 21:46:16
%S 256,63248,14747432,2868497664,531085813392,96355251717448,
%T 17357082345304488,3117995723618536688,559512460883072543600,
%U 100360499121740164572128,17998859155386688463327688
%N Number of n X 4 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) X 5 0..3 array.
%C Column 4 of A229105.
%H R. H. Hardin, <a href="/A229103/b229103.txt">Table of n, a(n) for n = 1..36</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
%e ..0..0..1..2....0..0..0..2....0..0..0..1....0..0..1..2....0..0..0..3
%e ..0..2..3..3....0..2..2..2....0..2..3..3....0..0..1..0....0..1..1..0
%e ..1..3..2..1....0..3..0..3....2..0..1..1....1..0..0..2....1..2..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 13 2013