%I #4 Mar 31 2012 12:35:56
%S 1,41,337,3345,59353,945243
%N Number of strings of n+2 numbers x(i) in -8..8 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other
%C Column 8 of A184061
%e Some solutions for n=4
%e ..1....3...-8....1...-5....5...-3....6...-7....4...-8....2....4....2...-1...-3
%e .-8....6....7....2...-4...-2...-3...-3....4....0....6....7...-5...-5...-2....4
%e ..0...-2....2...-4....4....2....7...-4....4...-8...-8...-2...-6....2....2...-6
%e .-2....1...-3....4...-4....3...-8...-4...-1....4...-4...-1....4....3...-3...-3
%e ..3...-6...-1....2....4...-6...-1....7...-8....0....6...-7...-1...-1....0....0
%e ..6...-2....3...-5....5...-2....8...-2....8....0....8....1....4...-1....4....8
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 09 2011