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%I #4 Jan 16 2013 16:18:32
%S 24,216,576,576,161280,283046400,782137036800,3563924952268800,
%T 25315180943034286080,269169718618593283276800,
%U 4137679434467601752260608000,89264433387042486497787641856000
%N Number of nX4 1..(max n,4) arrays with each row and column having unrepeated values
%C Column 4 of A221438
%H R. H. Hardin, <a href="/A221434/b221434.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=3
%e ..2..4..1..3....4..2..3..1....1..3..2..4....4..1..2..3....2..1..3..4
%e ..3..1..4..2....3..1..4..2....2..4..1..3....1..2..3..4....4..3..2..1
%e ..4..2..3..1....1..4..2..3....4..2..3..1....3..4..1..2....3..4..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 16 2013
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