A184253 Number of strings of numbers x(i=1..n) in 0..5 with sum i^3*x(i) equal to n^3*5

1, 1, 2, 4, 10, 41, 135, 477, 1719, 5987, 20942, 72586, 245893, 825328, 2735778, 8923167, 28779207, 91732303, 288568276, 898134715, 2765300373, 8421195140, 25394904018, 75848295457, 224397367622, 658053395498, 1913298309395

Offset

1,3

Comments

Column 5 of A184257

Links

Table of n, a(n) for n=1..27.

Example

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

Crossrefs

Sequence in context: A153757 A159860 A013549 * A174136 A125805 A344790

Adjacent sequences: A184250 A184251 A184252 * A184254 A184255 A184256

Keyword

nonn

Author

R. H. Hardin Jan 10 2011

Status

approved