A184308 Number of strings of numbers x(i=1..7) in 0..n with sum i^3*x(i)^2 equal to 343*n^2

1, 2, 4, 19, 21, 65, 82, 278, 261, 551, 650, 1608, 1339, 2645, 2506, 6462, 4736, 7722, 8261, 17638, 12061, 20988, 20482, 40829, 28797, 46485, 41543, 88400, 61485, 84252, 84319, 174419, 106700, 167566, 147240, 277677, 196225, 291240, 242915, 492687

Offset

1,2

Comments

Row 7 of A184303

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

Some solutions for n=5
..4....2....2....4....4....4....2....2....0....0....0....4....4....5....4....4
..3....2....4....1....3....3....2....3....0....0....2....2....4....2....1....3
..5....3....5....0....3....4....1....4....0....4....0....5....3....5....1....0
..5....4....1....1....3....4....4....4....0....5....0....4....2....5....5....0
..5....2....4....0....3....4....4....2....0....0....4....4....2....2....5....0
..0....5....1....5....4....3....0....4....0....4....4....4....3....5....4....5
..3....2....4....3....3....3....4....3....5....3....3....2....4....1....1....3

Crossrefs

Sequence in context: A009418 A273553 A153691 * A268338 A171735 A201379

Adjacent sequences: A184305 A184306 A184307 * A184309 A184310 A184311

Keyword

nonn

Author

R. H. Hardin Jan 10 2011

Status

approved