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Number of length 7+2 0..n arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero
0

%I #3 Dec 02 2014 17:42:20

%S 240,9439,127566,938895,4868362,19285211,64105154,183394583,471403286,

%T 1102425601,2401296076,4893740761,9479843984,17499293961,31078021378,

%U 53193428735,88367832130,142559457359

%N Number of length 7+2 0..n arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero

%C Row 7 of A251428

%e Some solutions for n=3

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014