%I #4 Dec 02 2014 17:41:00
%S 40,341,1888,6589,18952,44465,94452,180625,324136,545021,878516,
%T 1353921,2024188,2932293,4149792,5735557,7786700,10376093,13629740,
%U 17642437,22564780,28519073,35692724,44219965,54334868,66206505,80091608,96191873
%N Number of length 4+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 4 of A251428
%H R. H. Hardin, <a href="/A251431/b251431.txt">Table of n, a(n) for n = 1..47</a>
%e Some solutions for n=8
%e ..0....8....6....3....3....0....8....3....6....5....3....2....5....2....4....5
%e ..5....7....8....8....8....7....6....2....8....2....0....2....6....1....4....4
%e ..5....2....5....3....7....8....1....6....3....7....1....3....1....4....1....1
%e ..3....7....7....6....5....7....5....2....5....1....5....0....1....8....0....2
%e ..0....1....0....3....0....0....2....7....2....0....2....8....0....3....0....2
%e ..4....0....2....8....5....4....1....3....5....2....6....5....1....4....2....0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 02 2014