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%I #5 Mar 31 2012 12:35:58
%S 1,1,2,3,5,20,47,129,427,1196,3482,10769,30174,86121,252178,694285,
%T 1923825,5380601,14505330,39099516,105522367,278190141,731086405,
%U 1916631823,4945238542,12702253352,32495656601,82177529409,206786628877
%N Number of strings of numbers x(i=1..n) in 0..4 with sum i^3*x(i) equal to n^3*4
%C Column 4 of A184257
%H R. H. Hardin, <a href="/A184252/b184252.txt">Table of n, a(n) for n = 1..30</a>
%e All solutions for n=5
%e ..1....2....3....4....0
%e ..2....4....1....0....0
%e ..4....1....4....2....0
%e ..0....1....4....3....0
%e ..3....3....1....2....4
%K nonn
%O 1,3
%A _R. H. Hardin_ Jan 10 2011
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