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%I #5 Mar 31 2012 12:35:58
%S 1,1,2,2,11,43,176,962,5920,32442,200063,1001781,5741231,27193559,
%T 138909230,637035484,2950387477,13201021106,57236617635,249376811696,
%U 1038248236269,4406834227368,17966062720649,74439378783079
%N Number of strings of numbers x(i=1..n) in 0..6 with sum i^2*x(i)^2 equal to n^2*36
%C Column 6 of A184240
%H R. H. Hardin, <a href="/A184237/b184237.txt">Table of n, a(n) for n = 1..27</a>
%e All solutions for n=5
%e ..0....4....4....6....4....6....0....0....0....6....0
%e ..5....2....6....4....4....6....0....0....4....4....5
%e ..0....6....6....0....4....4....0....6....2....4....4
%e ..5....3....1....5....6....6....0....6....5....4....4
%e ..4....4....4....4....2....0....6....0....4....4....4
%K nonn
%O 1,3
%A _R. H. Hardin_ Jan 10 2011
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