A183958 Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i) equal to n*49

2, 10, 61, 219, 656, 1613, 3539, 7099, 13225, 23247, 38938, 62599, 97177, 146396, 214841, 308110, 432893, 597226, 810560, 1083958, 1430179, 1864028, 2402453, 3064671, 3872421, 4850307, 6025900, 7429899, 9096446, 11063531, 13373040

Offset

1,1

Comments

Row 7 of A183953

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

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

Crossrefs

Sequence in context: A350225 A277472 A052600 * A356343 A352277 A155626

Adjacent sequences: A183955 A183956 A183957 * A183959 A183960 A183961

Keyword

nonn

Author

R. H. Hardin Jan 08 2011

Status

approved