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%I #3 Apr 20 2012 08:27:02
%S 48,306,1732,9066,44218,203952,901938,3863236,16173336,66608806,
%T 271211310,1096118176,4408568100,17688124818,70884256140
%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 two, four, five, six, seven or eight distinct values for every i,j,k<=n
%e Some solutions for n=5
%e ..0...-1...-1....0....3....3....2...-3....2....2....2....3...-1....1....1....2
%e .-3...-3....1...-3....2....3....2...-1....1....0...-2....3....1...-2...-2...-2
%e ..1....3...-2....1....0...-3....3....0....2....3....2....1....2....1...-3...-2
%e .-3...-3...-2....1....2....2...-1...-3....1...-2....3....2....2....3....1....3
%e .-1...-3...-3...-3...-2....3...-2...-2...-1...-1...-2....2....1...-3...-2....2
%e .-2...-3....1...-3....3....1...-1....3....2....3....3....0...-1...-3...-3....2
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 20 2012
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