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%I #5 Mar 31 2012 12:36:01
%S 1,1,2,2,6,65,560,6939,89952,1372469,22986721,423073642,8439627699
%N Number of strings of numbers x(i=1..n) in 0..n with sum i*x(i)^3 equal to n^4
%C Diagonal of A184720
%e All solutions for n=5
%e ..3....0....5....0....4....3
%e ..5....0....0....5....4....3
%e ..2....0....0....5....3....4
%e ..1....0....5....0....2....2
%e ..4....5....0....0....4....4
%K nonn
%O 1,3
%A _R. H. Hardin_ Jan 20 2011
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