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A183960 Number of strings of numbers x(i=1..9) in 0..n with sum i^2*x(i) equal to n*81 1

%I #5 Mar 31 2012 12:35:55

%S 3,37,339,1805,7250,23611,65909,163588,369777,775045,1525468,2847243,

%T 5078854,8712108,14442500,23231857,36384941,55641864,83284699,

%U 122267246,176362928,250341134,350161711,483206291,658533921,887179738,1182476762

%N Number of strings of numbers x(i=1..9) in 0..n with sum i^2*x(i) equal to n*81

%C Row 9 of A183953

%H R. H. Hardin, <a href="/A183960/b183960.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=3

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

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

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

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

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

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

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

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

%e ..0....1....0....1....0....0....2....1....0....0....1....0....2....0....1....0

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 08 2011

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Last modified July 10 03:08 EDT 2024. Contains 374194 sequences. (Running on oeis4.)