A184716 Number of strings of numbers x(i=1..n) in 0..5 with sum i*x(i)^3 equal to n*125

1, 1, 2, 3, 6, 39, 209, 947, 4403, 20825, 95461, 420312, 1824610, 7767715, 32447127, 133426790, 540454735, 2157136063, 8491433827, 32994222337, 126618582468, 480170037501, 1800457116471, 6678324836291, 24515228772443, 89097534819082

Offset

1,3

Comments

Column 5 of A184720

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

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

Crossrefs

Sequence in context: A173501 A018340 A299121 * A374464 A018354 A124045

Adjacent sequences: A184713 A184714 A184715 * A184717 A184718 A184719

Keyword

nonn

Author

R. H. Hardin Jan 20 2011

Status

approved