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%I #4 Apr 20 2012 08:26:38
%S 36,170,744,3058,12048,45768,170020,618088,2217032,7850692,27545188,
%T 95924784,331693024,1142415700,3911185396,13370835896,45462050832,
%U 154638073332,523283349484,1774064765080,5983947707352,20245716124732
%N Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having four, five, six, seven or eight distinct values for every i,j,k<=n
%H R. H. Hardin, <a href="/A211762/b211762.txt">Table of n, a(n) for n = 1..26</a>
%e Some solutions for n=5
%e .-1...-3...-2...-3....1....0...-1....2....1...-1...-3...-1....1....0....3...-1
%e ..3....1....1....2....3....3....2....0....2....3....0...-2...-2....1....2...-2
%e .-2....2....0....3...-2....1...-3...-2....1...-1....3....1....1...-2....3...-1
%e .-1....0....1....0...-1....3....0....0....2...-2....2...-2...-3....3...-2...-2
%e .-2....3....3....1...-2...-1....1...-2....3....0....3....1....0....0....1...-3
%e .-1....2...-2....3...-1...-2....3...-3....2....2....0....3...-3...-1....0...-1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 20 2012
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