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%I #5 Mar 31 2012 12:36:15
%S 12,152,964,3664,11276,26152,56440,107464,192680,320940,519728,785056,
%T 1168104,1680672,2360220,3236220,4391472,5806664,7616720,9805592,
%U 12492388,15716184,19660824,24190984,29641876,35992732,43442168,51971748
%N Number of arrangements of 5 nonzero numbers x(i) in -n..n with the sum of trunc(x(i)/x(i+1)) equal to zero
%C Row 4 of A189545
%H R. H. Hardin, <a href="/A189548/b189548.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=5
%e ..4...-4...-1...-1...-4....5....3...-5....2...-1....5....5...-2....2...-5...-5
%e .-4....2....1...-4....5....4...-2....4....1....5....1....5...-2....3...-5....1
%e ..4...-3...-4....3....5...-2...-1...-4...-4....3...-4....4....3....2...-3...-5
%e .-3....5...-5...-2...-3...-2....1...-2...-5...-5....4...-2...-2...-5....3...-1
%e .-1....2...-4...-1...-4....3....5....4....2....4...-1...-4....4....5...-2....2
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 23 2011
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