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A211745 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 one, three, four, five, six or seven distinct values for every i,j,k<=n 0

%I #3 Apr 20 2012 08:14:38

%S 37,199,837,3035,10269,32847,102819,313745,947713,2825647,8369459,

%T 24617169,72044205,210094481,610184603,1769811737,5115685645,

%U 14790124015,42632437319,123051586369,354203684259,1021785081697

%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 one, three, four, five, six or seven distinct values for every i,j,k<=n

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 20 2012

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)