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A184316
Number of strings of numbers x(i=1..n) in 0..7 with sum i^2*x(i)^3 equal to n^2*343
0
1, 1, 1, 1, 3, 7, 69, 574, 3336, 23562, 140933, 948340, 5733551, 37091416, 225775799, 1419329282, 8589008422
OFFSET
1,5
COMMENTS
Column 7 of A184318
EXAMPLE
All solutions for n=5
..0....0....7
..0....0....4
..0....7....4
..0....7....5
..7....0....6
CROSSREFS
Sequence in context: A120364 A088797 A165589 * A127177 A261136 A127179
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved