A184437 Number of strings of numbers x(i=1..n) in 0..5 with sum i*x(i)^2 equal to n*25

1, 1, 5, 14, 39, 238, 915, 3532, 15165, 56094, 202714, 742339, 2571320, 8690976, 28962054, 93717076, 296850271, 923818730, 2815625489, 8428070046, 24812690100, 71831879744, 204732764217, 574966504528, 1591665305364, 4346329669253

Offset

1,3

Comments

Column 5 of A184441

Links

R. H. Hardin, Table of n, a(n) for n = 1..82

Example

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

Crossrefs

Sequence in context: A209536 A119996 A027089 * A023871 A274598 A327682

Adjacent sequences: A184434 A184435 A184436 * A184438 A184439 A184440

Keyword

nonn

Author

R. H. Hardin Jan 14 2011

Status

approved