A184725 Number of strings of numbers x(i=1..8) in 0..n with sum i*x(i)^3 equal to 8*n^3.

6, 47, 120, 467, 947, 1958, 3604, 6939, 11333, 18282, 27796, 40692, 57628, 81302, 111670, 150145, 198248, 259843, 333599, 426333, 531093, 668121, 818444, 1003797, 1214530, 1464395, 1753048, 2090590, 2464415, 2907699, 3396888

Offset

1,1

Comments

Row 8 of A184720.

Links

Table of n, a(n) for n=1..31.

Example

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

Crossrefs

Cf. A184720.

Sequence in context: A276271 A145506 A256160 * A232495 A267233 A027012

Adjacent sequences: A184722 A184723 A184724 * A184726 A184727 A184728

Keyword

nonn

Author

R. H. Hardin, Jan 20 2011

Status

approved