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A184243 Number of strings of numbers x(i=1..5) in 0..n with sum i^2*x(i)^2 equal to n^2*25 2

%I #7 Mar 31 2012 12:35:58

%S 2,2,5,3,15,11,30,5,79,30,99,30,129,63,318,30,286,188,423,71,789,239,

%T 698,170,860,325,1624,184,1347,799,1566,219,2846,764,2300,519,2656,

%U 1045,4524,468,3630,1996,4138,622,6895,1789,5461,1157,5810,2192,10132,994,7632

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

%C Row 5 of A184240

%H R. H. Hardin, <a href="/A184243/b184243.txt">Table of n, a(n) for n = 1..168</a>

%e All solutions for n=5

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 10 2011

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)