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A183958 Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i) equal to n*49 1
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 (list; graph; refs; listen; history; text; internal format)
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: A290446 A277472 A052600 * A155626 A092165 A304443

Adjacent sequences:  A183955 A183956 A183957 * A183959 A183960 A183961

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified October 21 08:06 EDT 2021. Contains 348150 sequences. (Running on oeis4.)