A184719 Number of strings of numbers x(i=1..n) in 0..8 with sum i*x(i)^3 equal to n*512.

1, 1, 2, 3, 18, 114, 929, 6939, 49405, 343061, 2349749, 15744977, 103294333, 664143853, 4191000242, 25991406059, 158554966581, 952308975542, 5636023020692, 32891357753442, 189405665405678, 1076880550812387

Offset

1,3

Comments

Column 8 of A184720.

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

Some solutions for n=5
..7....0....3....0....6....2....7....4....7....7....0....8....3....0....6....3
..0....8....0....0....7....8....8....4....1....3....1....0....4....0....5....7
..7....8....3....4....7....4....3....0....0....4....5....0....8....0....5....2
..3....0....7....8....1....4....2....8....5....4....8....8....6....0....1....3
..6....0....6....4....5....6....6....4....7....7....3....0....1....8....7....7

Crossrefs

Cf. A184720.

Sequence in context: A114165 A166510 A288492 * A076016 A226961 A374865

Adjacent sequences: A184716 A184717 A184718 * A184720 A184721 A184722

Keyword

nonn

Author

R. H. Hardin, Jan 20 2011

Status

approved