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Number of strings of numbers x(i=1..n) in 0..6 with sum i*x(i)^2 equal to n*36
1

%I #5 Mar 31 2012 12:35:59

%S 1,1,5,15,92,436,1993,9478,43638,187235,809030,3365945,13510461,

%T 53274149,204598179,765394402,2806261890,10071367726,35409883104,

%U 122234932333,414412164610,1380949308381,4527966672187,14616894999438,46485172533638

%N Number of strings of numbers x(i=1..n) in 0..6 with sum i*x(i)^2 equal to n*36

%C Column 6 of A184441

%H R. H. Hardin, <a href="/A184438/b184438.txt">Table of n, a(n) for n = 1..63</a>

%e Some solutions for n=5

%e ..6....6....3....1....1....2....4....3....4....2....0....4....5....2....6....2

%e ..6....0....5....4....4....4....0....4....0....4....4....6....2....0....0....6

%e ..4....4....2....1....3....6....4....5....6....0....4....2....3....2....5....4

%e ..1....2....4....6....5....3....3....4....3....6....5....0....5....6....4....3

%e ..2....4....3....0....2....0....4....0....2....0....0....4....2....2....1....2

%K nonn

%O 1,3

%A _R. H. Hardin_ Jan 14 2011