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A184437 Number of strings of numbers x(i=1..n) in 0..5 with sum i*x(i)^2 equal to n*25 1

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

%S 1,1,5,14,39,238,915,3532,15165,56094,202714,742339,2571320,8690976,

%T 28962054,93717076,296850271,923818730,2815625489,8428070046,

%U 24812690100,71831879744,204732764217,574966504528,1591665305364,4346329669253

%N Number of strings of numbers x(i=1..n) in 0..5 with sum i*x(i)^2 equal to n*25

%C Column 5 of A184441

%H R. H. Hardin, <a href="/A184437/b184437.txt">Table of n, a(n) for n = 1..82</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%K nonn

%O 1,3

%A _R. H. Hardin_ Jan 14 2011

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Last modified December 1 17:35 EST 2023. Contains 367500 sequences. (Running on oeis4.)