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%I #4 Jun 04 2013 08:58:54
%S 2,34,130,480,1139,2973,6068,12823,23590,43620,74135,125962,200993,
%T 319516,486423,735303,1075392,1562050,2210979,3107839,4279431,5852307,
%U 7870810,10518228,13859945,18155322,23504230,30259780,38566432,48902774
%N Number of nondecreasing -4..4 vectors of length n whose dot product with some other -4..4 vector equals n
%C Column 4 of A226340
%H R. H. Hardin, <a href="/A226336/b226336.txt">Table of n, a(n) for n = 1..52</a>
%e Some solutions for n=3
%e .-2...-1...-3...-1...-1...-2...-3...-3....0...-4....1...-1...-3....3...-1...-2
%e .-2....2...-3...-1...-1...-1....2....0....1....2....2....4....1....3....0....2
%e ..1....4...-3....1....0....4....2....2....1....3....3....4....3....4....4....3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 04 2013