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A183945 Number of strings of numbers x(i=1..n) in 0..n with sum i^2*x(i) equal to n^3 1
1, 1, 2, 8, 53, 398, 3539, 34847, 369777, 4178324, 49657281, 615829513, 7919376470, 105084836323, 1433178519184, 20025465352373, 285916536136122, 4162074154247193, 61656883471361641, 928025931557339662 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Diagonal of A183953

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..23

EXAMPLE

All solutions for n=4

..0....2....4....1....0....3....4....0

..3....3....2....1....0....1....3....4

..4....2....4....3....0....1....0....0

..1....2....1....2....4....3....3....3

CROSSREFS

Sequence in context: A191602 A145157 A323871 * A193651 A195979 A203109

Adjacent sequences:  A183942 A183943 A183944 * A183946 A183947 A183948

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified April 16 17:01 EDT 2021. Contains 343050 sequences. (Running on oeis4.)