%I #4 Mar 31 2012 12:36:38
%S 2,2276,57992,631638,3687480,15586972,50917674,141509152,344941886,
%T 762917274,1552478008,2969607490,5365606152,9271467482,15395275250
%N Number of -n..n arrays x(0..6) of 7 elements with nonzero sum and with zero through 6 differences all nonzero
%C Row 7 of A200165
%e Some solutions for n=5
%e ..2....1...-4...-4....1....2...-5....1...-5....2....2....1...-4...-4....2...-4
%e ..1...-5...-5....1...-5...-4....1...-5....1...-5...-5...-4...-5....1....1...-5
%e .-4....2....2...-5....2...-5...-4....1...-5....2...-4...-5...-4....2...-5...-4
%e .-2....1...-4....4....1...-2....4...-1...-2...-1...-2....4...-2...-4...-4....5
%e .-1...-5....2...-3....3...-1...-4....4....2...-5...-4...-3...-5....4....1...-5
%e ..5....3....1....4...-5....2....5...-4....4....5....3....1...-4...-2...-1...-4
%e ..1...-5....3...-5....2...-3....2...-1...-5...-2....5....4....5....4....1....2
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 13 2011