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%I #3 Nov 18 2014 05:50:40
%S 104,1689,12820,57833,197848,558541,1357424,2953265,5883028,10994585,
%T 19364348,32540881
%N Number of length 6+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero
%C Row 6 of A250320
%e Some solutions for n=5
%e ..2....0....2....4....1....0....1....2....5....4....1....4....0....1....1....1
%e ..4....4....4....3....3....0....3....3....4....1....3....3....3....3....1....3
%e ..0....3....4....4....3....0....2....5....0....4....3....5....1....4....4....4
%e ..3....1....3....0....1....1....3....5....1....4....2....4....3....5....1....0
%e ..5....2....3....3....2....4....5....2....1....4....5....3....0....5....0....2
%e ..2....5....2....1....2....5....4....1....2....4....5....2....2....0....3....4
%e ..2....5....0....2....4....3....2....1....5....1....3....2....1....1....2....5
%e ..4....3....0....1....4....5....2....4....2....4....1....3....0....5....0....3
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 18 2014
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