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%I #3 Dec 02 2014 17:35:11
%S 80,1128,9120,94452,863840,7658288,64105154,526064608,4251906158,
%T 34199112972,274205462432,2196305116240,17580163235182,140685755592632
%N Number of length n+2 0..7 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 Column 7 of A251428
%e Some solutions for n=4
%e ..0....1....0....3....7....4....0....2....7....7....1....7....3....5....0....3
%e ..4....3....6....2....4....6....3....3....5....4....2....4....5....2....0....2
%e ..7....2....5....6....7....0....3....3....3....2....0....5....3....7....1....1
%e ..1....3....0....1....2....0....1....6....4....1....1....1....2....5....2....3
%e ..6....0....5....7....3....1....6....4....5....2....6....6....3....2....4....6
%e ..1....4....5....0....2....5....7....1....6....1....7....7....4....7....3....1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 02 2014
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