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A184712 Number of strings of numbers x(i=1..n) in 0..n with sum i*x(i)^3 equal to n^4 0
1, 1, 2, 2, 6, 65, 560, 6939, 89952, 1372469, 22986721, 423073642, 8439627699 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Diagonal of A184720

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

All solutions for n=5

..3....0....5....0....4....3

..5....0....0....5....4....3

..2....0....0....5....3....4

..1....0....5....0....2....2

..4....5....0....0....4....4

CROSSREFS

Sequence in context: A329571 A270358 A156529 * A303225 A326943 A304564

Adjacent sequences:  A184709 A184710 A184711 * A184713 A184714 A184715

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 2011

STATUS

approved

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Last modified January 18 01:05 EST 2020. Contains 330995 sequences. (Running on oeis4.)